The 29th Olympic Games is held in my country, and it is held every 4 years, so how many years should the 50th Olympic Games be held?
第29届奥运会在我国举办，按每4年举办一次，那么第50届奥运会应在多少年举办．
<gadget id="calculator">50 - 29</gadget>
<output>21</output>

<gadget id="calculator">21 * 4</gadget>
<output>84</output>

<gadget id="calculator">2_008 + 84</gadget>
<output>2_092</output>

<result>2_092</result>