Over the next 60 years, these business machines grew in capability, adding features to subtract, multiply, divide, and even make simple decisions about when to perform certain operations.

在接下来的 60 年里，这些商业机器的能力不断增强，增加了减法、乘法、除法等功能，甚至可以就何时执行某些操作做出简单的决定。