Off formula calculation: 37.5%*(5/7)+(1/7)*(3/8)+(3/8)/7.
脱式计算：37.5%*(5/7)+(1/7)*(3/8)+(3/8)/7．
<gadget id="calculator">37.5 / 100</gadget>
<output>0.375</output>

<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">0.375 * (5/7)</gadget>
<output>0.267857</output>

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(1/7) * (3/8)</gadget>
<output>3/56 = around 0.053571</output>

<gadget id="calculator">(3/8) / 7</gadget>
<output>3/56 = around 0.053571</output>

<gadget id="calculator">0.267857 + (3/56) + (3/56)</gadget>
<output>0.375</output>

<result>0.375</result>