(3/4) of a piece of steel weighs 300 kilograms, how much does this piece of steel weigh in kilograms?
一块钢材的(3/4)重300千克，这块钢材重多少千克？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">300 / (3/4)</gadget>
<output>400</output>

<result>400</result>