A barrel of "Golden Dragon Fish" salad oil weighs 5 kilograms, and (3/4) of it is used. How many kilograms are used? How many.
一桶"金龙鱼"色拉油重5千克，用去了它的(3/4)，用去了多少千克？多少．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">5 * (3/4)</gadget>
<output>15/4 = around 3.75</output>

<result>15/4 = around 3.75</result>