(3/4) of A's number is 240, what is A's number?
甲数的(3/4)是240，甲数是多少．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">240 / (3/4)</gadget>
<output>320</output>

<result>320</result>