The flour extraction rate of wheat is 84%. To produce 1.26 tons of flour, how many tons of wheat are needed.
小麦出粉率84%，要生产1.26吨的面粉，需要小麦多少吨．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1.26 / (4/5)</gadget>
<output>1.575</output>

<result>1.575</result>