A certain container can hold (10/11) tons per box. If this container is used to transport 20 tons of goods, how many such containers are needed?
某种集装箱每箱能装(10/11)吨，要用这种集装箱运走20吨货物，需要这种集装箱多少个？
<gadget id="calculator">10 / 11</gadget>
<output>10/11 = around 0.909091</output>

<gadget id="calculator">20 / (10/11)</gadget>
<output>22</output>

<result>22</result>