Mother buys a piece of cloth, which shrinks to 2.4 meters. The shrinkage rate of this cloth is 4%. How much rice cloth does mother buy?
妈妈买回一段布，缩水后是2.4米，这种布的缩水率是4%，妈妈买回多少米布．
<gadget id="calculator">4 / 100</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">1 - (1/25)</gadget>
<output>24/25 = around 0.96</output>

<gadget id="calculator">2.4 / (24/25)</gadget>
<output>2.5</output>

<result>2.5</result>