A cart of rice, after transporting (4/5) of it, is exactly 36 tons. How many tons does this cart of rice have?
一车大米，运走了它的(4/5)，正好是36吨，这车大米共有多少吨．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">36 / (4/5)</gadget>
<output>45</output>

<result>45</result>