(1/1)+(1/2)+(2/2)+(1/3)+(2/3)+(3/3)+(1/4)+(2/4)+(3 /4)+(4/4)+...+(1/10)+(2/10)+...(9/10)+(10/10).
(1/1)+(1/2)+(2/2)+(1/3)+(2/3)+(3/3)+(1/4)+(2/4)+(3/4)+(4/4)+…+(1/10)+(2/10)+…(9/10)+(10/10)．
<gadget id="calculator">27.5 + 5</gadget>
<output>32.5</output>

<result>32.5</result>