(1/2)+(1/3)+(2/3)+(1/4)+(2/4)+(3/4)+(1/5)+(2/5)+(3 /5)+(4/5)+...+(1/60)+(2/60)+(3/60)+...+(59/60).
(1/2)+(1/3)+(2/3)+(1/4)+(2/4)+(3/4)+(1/5)+(2/5)+(3/5)+(4/5)+…+(1/60)+(2/60)+(3/60)+…+(59/60)．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">59 / 2</gadget>
<output>59/2 = around 29.5</output>

<gadget id="calculator">(1/2) + (59/2)</gadget>
<output>30</output>

<gadget id="calculator">30 * (59/2)</gadget>
<output>885</output>

<result>885</result>