(3/4) square meter = how many square centimeters.
(3/4)平方米=多少平方厘米．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/4) * 10_000</gadget>
<output>7_500</output>

<result>7_500</result>