Calculation: (1/100)+(2/100)+(3/100)+...+(99/100).
计算：(1/100)+(2/100)+(3/100)+…+(99/100)．
<gadget id="calculator">1 + 99</gadget>
<output>100</output>

<gadget id="calculator">99 / 2</gadget>
<output>99/2 = around 49.5</output>

<gadget id="calculator">100 * (99/2)</gadget>
<output>4_950</output>

<gadget id="calculator">4_950 / 100</gadget>
<output>99/2 = around 49.5</output>

<result>99/2 = around 49.5</result>