Subtract (1/2) of it from 1997, then subtract the remaining (1/3), then subtract the remaining (1/4), then subtract the remaining (1/5), ... and so on, What is the final result after subtracting the remaining (1/1997) at the end.
将1997减去它的(1/2)，再减去余下的(1/3)，再减去余下的(1/4)，再减去余下的(1/5)，…依此类推，直至最后减去余下的(1/1997)，最后的结果是多少．
<gadget id="calculator">1 / 1_997</gadget>
<output>1/1_997 = around 0.000501</output>

<gadget id="calculator">1_997 * (1/1_997)</gadget>
<output>1</output>

<result>1</result>