The farm produces 280 tons of wheat this year, which is 1/4 more than last year. How much is the increase?
今年农场产小麦280吨，比去年增产(1/4)，增产了多少吨
<gadget id="calculator">1 / 4</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">280 / (5/4)</gadget>
<output>224</output>

<gadget id="calculator">224 * (1/4)</gadget>
<output>56</output>

<result>56</result>