The People's Republic of China was established on October 1, 1949. By October 1, 2013, how many years has it been established?
中华人民共和国是1949年10月1日成立的，到2013年10月1日，成立了多少周年．
<gadget id="calculator">2_013 - 1_949</gadget>
<output>64</output>

<result>64</result>