There were 36 tons of original goods in the warehouse, and 13.5 tons remained after some of them were transported away. How many tons of this cargo was shipped? (solution with equation)
仓库里原有货物36吨，运走一些后还剩下13.5吨．运走了这批货物多少吨？(用方程解答)
<gadget id="calculator">36 - 13.5</gadget>
<output>22.5</output>

<result>22.5</result>