(3/4) cubic meter is (how much) cubic decimeter.
(3/4)立方米是(多少)立方分米．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/4) * 1_000</gadget>
<output>750</output>

<result>750</result>