It was not clear if the $110 billion defense deal was included in that sum, or is separate, as Zarif's calculation suggests.
He made the remarks at the historic Arab Islamic American Summit yesterday (May 21) in Riyadh, where he and US President Donald Trump urged more than 50 leaders from the Arab and Muslim world to cooperate in the fight against terrorism.
Donald Trump and King Salman bin Abdulaziz, along with other leaders such as Egyptian President Abdel Fattah al Sisi, visited the modern establishment, where dozens of experts monitor digital communications, as shown by Saudi state television.
It appeared that Saudi funds had also been directed toward a new women's initiative launched by Ivanka Trump, the president's daughter, as well as the investment company of a close Trump associate. And, most importantly to the delight of Arab leaders, as the White House itself pointed out, Mr Trump was not soft on Iran.
Earlier on Monday, on Mr Trump's first visit to Israel as president, he said he sees a growing recognition among Muslim nations that they share a "common cause" with Israel in their determination to counter threats posed by Iran.
Pledging to work alongside the West Asian nations to combat extremist ideology in the region, Trump said all the countries from the USA to India, Australia to Russian Federation - have been "victim of terrorism and have suffered repeated barbaric attacks, reported ANI".
The veteran British journalist censured Trump for lecturing Muslim leaders and not offering "an apology for his racist, anti-Muslim speeches of past year".More news: Iran Accuses US of Arming 'Dangerous Terrorists', Spreading 'Iranophobia'
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"Nothing helps you learn and understand people better than coming to their homes, where they live and seeing them face to face, seeing their families, and seeing their communities", Tillerson said.
He said that countries must ensure that terror groups didn't find sanctuary on their soil. Yet Trump may still need to engage in some delicate diplomacy following revelations that he disclosed highly classified intelligence Israel obtained about the Islamic State with top Russian officials, without Israel's permission.
"If three Abrahamic faiths can join together, then peace in this world is possible, including peace between Israelis and Palestinians", he said.
Trump also vilified Iran as the greatest source of instability in the Middle East, though many observers noted the irony that his claims came on the same day that 41 million Iranians enthusiastically took part in elections, with a sizeable majority backing President Hassan Rouhani and his policy of engagement with the world. "Pray for the day that the Iranian people have the just and righteous government they so richly deserve", he said.
Trump referenced President Barack and Michelle Obama's trip to Riyadh in January 2015 in which the First Lady chose to forgo a headscarf.
Trump, 70, is now on his first foreign trip since becoming president. He once mused that he thought "Islam hates us".