There are 36 tons of goods piled up in the warehouse, and they are transported away (7/9), how many tons are left?
仓库里堆放着36吨货物，运走了(7/9)，还剩多少吨？
<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">1 - (7/9)</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">36 * (2/9)</gadget>
<output>8</output>

<result>8</result>