125*2%+125*4%+125*6%+125*8%+…+125*20%
125*2%+125*4%+125*6%+125*8%+…+125*20%
<gadget id="calculator">2 / 100</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/50) + (1/5)</gadget>
<output>11/50 = around 0.22</output>

<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">(11/50) * 5</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">125 * (11/10)</gadget>
<output>275/2 = around 137.5</output>

<result>275/2 = around 137.5</result>