How much less (3/4) of (4/5) meters than 10 meters.
(4/5)米的(3/4)比10米少多少．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

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

<gadget id="calculator">(4/5) * (3/4)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">10 - (3/5)</gadget>
<output>47/5 = around 9.4</output>

<result>47/5 = around 9.4</result>