A poke of oil weighs 50 kg, what is the weight of (3/4) barrel of oil in kg?
一捅油重50千克，(3/4)桶油重多少千克．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">50 * (3/4)</gadget>
<output>75/2 = around 37.5</output>

<result>75/2 = around 37.5</result>