How big is the biggest computer in the world?

Hello, landlord! The first computer in the world is the largest. `

1946 February 14, Moore Institute of Electrical Engineering, University of Pennsylvania, USA. The unveiling ceremony of the first modern electronic computer in human history. What is presented to people is a strange-looking and glowing monster. It is the world's first modern electronic computer "ENIAC". This behemoth covers an area of 170 square meters and weighs 30 tons. Its "trick"-5000 addition operations and 500 multiplication operations were completed in 1 second respectively, which was more than 1000 times faster than the fastest relay computer at that time. This perfect appearance made the guests applaud. However, who knows, in the process of the birth of this behemoth, how many people have devoted countless efforts to it!