Calculation: (7/8)-0.25+0.125-(3/4).
计算：(7/8)-0.25+0.125-(3/4)．
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">(7/8) - 0.25</gadget>
<output>0.625</output>

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

<gadget id="calculator">0.125 - (3/4)</gadget>
<output>-0.625</output>

<gadget id="calculator">0.625 + (-0.625)</gadget>
<output>0</output>

<result>0</result>