The factory produced 560 machines in May, 25% more than in April. How many machines were produced in April? How many.
工厂五月份生产机器560台，比四月份增产25%，四月份生产多少台机器？多少．
<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">560 / (5/4)</gadget>
<output>448</output>

<result>448</result>