Subtract (1/2) from 2010, then subtract the remaining (1/3), and then subtract the remaining (1/4)... until the best remaining (1/2010) is subtracted, the final result how many.
将2010减去它的(1/2)，再减去余下的(1/3)，再减去余下的(1/4)…直至减去最好剩下的(1/2010)，最后结果是多少．
<gadget id="calculator">1 / 2_010</gadget>
<output>1/2_010 = around 0.000498</output>

<gadget id="calculator">2_010 * (1/2_010)</gadget>
<output>1</output>

<result>1</result>