(7/10) liters = how many milliliters.
(7/10)升=多少毫升．
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">(7/10) * 1_000</gadget>
<output>700</output>

<result>700</result>