A vegetable field harvested 200 tons of cabbage this year, an increase of 25% compared to last year. How many tons of cabbage was harvested in this vegetable field last year?
一块菜地，今年收白菜200吨，比去年增产25%，去年这块菜地收白菜多少吨？
<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">200 / (5/4)</gadget>
<output>160</output>

<result>160</result>