piece of land produced 12 tons of rice last year, which was reduced by 25% compared to the previous year due to floods. How many tons of rice does this land produce every year?
一块地，去年产水稻12吨，因为水灾比前年减少二成五．这块地前年产水稻多少吨？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">12 / (3/4)</gadget>
<output>16</output>

<result>16</result>