40 kilograms = ((())/(())) tons; (3/4) hours = how many minutes.
40千克=((())/(()))吨；(3/4)小时=多少分．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/4) * 60</gadget>
<output>45</output>

<result>45</result>