从键盘输入两个矩阵，并计算相乘结果,然后再以一个矩阵的形式显示结果。-Input too matrix from the keyboard,and output the result of multiplying

自编的一个矩阵相乘的小程序，可以由键盘输入两个矩阵的大小。-Self in a matrix multiplication of small programs, you can enter from the keyboard the size of two matrices.