The evaluation is super-brain, and Leo Chou faces the "abnormal problem" of 16 digit opening 14 power. In order to show the authenticity of the program, several variables are also set, such as please review the randomly modified numbers. Even so, Leo Chou solved the problem in only 1 minute, and the author, Professor Xu from the Department of Mathematics of Shanghai Jiaotong University, not only handed in a blank sheet of paper on the spot, but also used various calculation methods after the program was completed, and it took more than 20 minutes to get the answer.