There are 72 tons of goods stacked in the warehouse, and 40% of them have been transported away. How many tons of goods are left in the warehouse?
仓库里堆放着72吨货物，运走40%，仓库里还剩多少吨货物？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">72 * (3/5)</gadget>
<output>216/5 = around 43.2</output>

<result>216/5 = around 43.2</result>