The People's Republic of China was established on October 1, 1949, and how many years will it be the 100th anniversary of its founding.
中华人民共和国是1949年10月1日成立的，到多少年是成立100周年．
<gadget id="calculator">1_949 + 100</gadget>
<output>2_049</output>

<result>2_049</result>