A grain household harvested 36 tons of rice the year before last, which was 25% more than the previous year. How many tons of rice were harvested last year?
某粮户前年收稻谷36吨，去年比前年增产了二成五，去年收稻谷多少吨？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">36 * (5/4)</gadget>
<output>45</output>

<result>45</result>