A barrel of oil weighs (3/2) kg, what is the weight of 10 barrels of oil in kg?
一桶油重(3/2)千克，10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) * 10</gadget>
<output>15</output>

<result>15</result>