After half a barrel of oil is filled in a barrel, and (5/8) of the oil is poured out, there are still 12 kilograms left. How many kilograms of oil can this barrel hold?
一只桶装了半桶油后，倒出(5/8)的油后，还剩下12千克，这只桶能装油多少千克？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">(1/2) * (5/8)</gadget>
<output>5/16 = around 0.3125</output>

<gadget id="calculator">(1/2) - (5/16)</gadget>
<output>3/16 = around 0.1875</output>

<gadget id="calculator">12 / (3/16)</gadget>
<output>64</output>

<result>64</result>