(7/8)*(3/4)+(1/4)*(7/8).
(7/8)*(3/4)+(1/4)*(7/8)．
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(7/8) * (3/4)</gadget>
<output>21/32 = around 0.65625</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) * (7/8)</gadget>
<output>7/32 = around 0.21875</output>

<gadget id="calculator">(21/32) + (7/32)</gadget>
<output>7/8 = around 0.875</output>

<result>7/8 = around 0.875</result>