my country successfully bid to host the 29th Olympic Games in 2008. If it is held every four years, then 2020 will be the first Olympic Games.
我国成功申办了2008年的第29届奥运会，按每四年举行一次，则2020年是第多少届奥运会．
<gadget id="calculator">2_020 - 2_008</gadget>
<output>12</output>

<gadget id="calculator">12 / 4</gadget>
<output>3</output>

<gadget id="calculator">3 + 29</gadget>
<output>32</output>

<result>32</result>