And then she'll call out a math problem -- so let's say four times four -- and then one student from each team has to compete to figure out that four times four is 16 and find the tire with the 16 on it and sit on it.
然后她会出一个数学问题 比如说4乘以4 每个队要出一名同学来算出 4乘以4等于16 然后找到标有16的轮胎坐下