((3/4)-(1/2))/(8/15)=how much.
((3/4)-(1/2))/(8/15)=多少．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(3/4) - (1/2)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">8 / 15</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">(1/4) / (8/15)</gadget>
<output>15/32 = around 0.46875</output>

<result>15/32 = around 0.46875</result>