Calculation: (3/4)-(3/4)/3+(3/8).
计算：(3/4)-(3/4)/3+(3/8)．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/4) / 3</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(3/4) - (1/4)</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">(1/2) + (3/8)</gadget>
<output>7/8 = around 0.875</output>

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