A chemical fertilizer factory produced 25% more fertilizer than planned in April, and the actual production was 1,000 tons. How many tons of chemical fertilizers are planned to be produced in April?
某化肥厂四月份生产化肥超过计划25%，实际生产1000吨．四月份计划产化肥多少吨？
<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">1_000 / (5/4)</gadget>
<output>800</output>

<result>800</result>