The road construction team built a road, and planned to build 3.2 kilometers per day, which took 45 days to complete, but it actually took 40 days to complete. How many kilometers do you actually repair every day?
修路队修一条公路，计划每天修3.2千米，45天修完，实际用了40天就完成了．实际每天修多少千米？
<gadget id="calculator">45 / 40</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">3.2 * (9/8)</gadget>
<output>3.6</output>

<result>3.6</result>