8*((1/8)-12.5%)=
8*((1/8)-12.5%)=
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">12.5 / 100</gadget>
<output>0.125</output>

<gadget id="calculator">(1/8) - 0.125</gadget>
<output>0</output>

<gadget id="calculator">8 * 0</gadget>
<output>0</output>

<result>0</result>