A certain town built 5 canals this year, with a total length of 5,000 meters, which is exactly 4 times that of last year. How much less was built last year than this year?
某乡今年修了5条水渠，总长5000米，正好等于去年修的4倍，去年比今年少修多少米？
<gadget id="calculator">5_000 / 4</gadget>
<output>1_250</output>

<gadget id="calculator">5_000 - 1_250</gadget>
<output>3_750</output>

<result>3_750</result>