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

<gadget id="calculator">59 / 2 / 2</gadget>
<output>59/4 = around 14.75</output>

<gadget id="calculator">60 * (59/4)</gadget>
<output>885</output>

<result>885</result>