A square oil drum with a side length of 30 cm is filled with oil. If the oil weighs 8 kg per liter, how much does the oil weigh in the drum?
一个棱长是30厘米的正方体油桶装满油，如果每升油重8千克，这桶油重多少千克？
<gadget id="calculator">30 / 1_000</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">30 * 30 * (3/100) * 8</gadget>
<output>216</output>

<result>216</result>