100 kg of rice can be milled to produce 80 kg of rice. According to this calculation, how many tons of rice are needed to grind out 4.4 tons of rice? (Solve with ratio)
100千克稻谷可以碾出80千克大米．照这样计算，要碾出4.4吨大米，需要多少吨稻谷？(用比例解)
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">4.4 / (4/5)</gadget>
<output>5.5</output>

<result>5.5</result>