certain factory produced 2,000 refrigerators in May this year, which was 1/4 more than in April. How many refrigerators did this factory produce in April?
某工厂今年5月份生产冰箱2000台，比四月份多生产了(1/4)，这个工厂四月份生产冰箱多少台？
<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">2_000 / (5/4)</gadget>
<output>1_600</output>

<result>1_600</result>