{"code":"\n\n\n\t\n\t计算器 - 作者: Mr Yuan\n\n\n\n\n \n \n \n \n\n\n\n\n\t
\n\t \n\t \n \n \n \n\t\n\n \n \n \n \n \n\n\n \n\n\n\n \n \n \n \n \n \n\n \n \n \n \n \n \n \n\n \n \n
\n \n

第二种实现计算器的方式

\n\n\n
\n \n \n \n \n \n\n
\n\n\n \n\n\n \n\n\n"}