The Olympic Games are held every 4 years, and the 2008 Beijing Olympic Games is the 29th, so how many years will the 24th Olympic Games be held?
奥运会每4年举办一次，2008年北京奥运会是第29届，那么第24届奥运会是在多少年举办．
<gadget id="calculator">29 - 24</gadget>
<output>5</output>

<gadget id="calculator">4 * 5</gadget>
<output>20</output>

<gadget id="calculator">2_008 - 20</gadget>
<output>1_988</output>

<result>1_988</result>