A bag of rice, 62.5% of it was eaten, leaving 15 kg. How many kilograms is this bag of rice originally?
一袋大米，吃了它的62.5%，还剩15千克．这袋大米原有多少千克？
<gadget id="calculator">62.5 / 100</gadget>
<output>0.625</output>

<gadget id="calculator">1 - 0.625</gadget>
<output>0.375</output>

<gadget id="calculator">15 / 0.375</gadget>
<output>40</output>

<result>40</result>