A barrel of oil weighs (3/2) kilograms, how many kilograms does 8 barrels of oil weigh?
一桶油重(3/2)千克，8桶油重多少千克．
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(3/2) * 8</gadget>
<output>12</output>

<result>12</result>