translation.en: For example, as a 15-year-old, I was considered outstandingly good at multiplying numbers because I had memorized the multiplication tables and I know how to use logarithms and I'm quick at manipulating a slide rule.
translation.zh: 例如，做为 一个15 岁的孩子， 别人觉得我非常擅长乘法 因为我记得乘法表， 知道如何使用对数， 并且可以快速地操作计算尺。