Percentage Gadget

Quick answers to questions in the form of "What percent of A is B?" or "X% of what number is Y?" Supply any two parts of the equation and the third part is automatically filled in.快速解答的形式问题“百分之多少的A是B吗？”或“什么号码的X％为Y？”供给方程的任何两个部分和第三部分被自动填充。