一个计算程序，能实现加、减、乘、除的计算。该程序接受

的是16进制数。

执行时，需在文件名后直接跟上计算表达式-a computer program can achieve, plus or minus, by, in addition to the calculation. The program is acceptable to the 16-band number. Implementation required in the file name directly to keep up with the formulas