Chapter 687 Get Extra Lottery

"Congratulations to the host, you successfully won the first prize in the National Mathematical Modeling Competition, successfully completed the task, and received a reward of 100,000 points and a chance to win a random lottery!" In the office building of the Mathematics Association of Daxia, when Lao Zhang and Lao Yang determined that the paper of Chen Yu's trio was the first, Chen Yu, who was desperately researching stocks at home, received a system prompt, "In view of the fact that the host is here For outstanding performance in this task, you will get an extra chance to win a lottery."