It is planned to build a 3-kilometer-long water canal in 25 days. How much is the average daily cost of building this canal?
要修一条长3千米的水渠，计划25天完成，平均每天修这条水渠的多少
<gadget id="calculator">1 / 25</gadget>
<output>1/25 = around 0.04</output>

<result>1/25 = around 0.04</result>