The engineering team built a canal, 120 meters a day, and 30% of the total length was repaired in 5 days. How long is this canal?
工程队修一条水渠，每天修120米，5天修了全长的30%，这条水渠长多少米？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">5 / (3/10)</gadget>
<output>50/3 = around 16.666667</output>

<gadget id="calculator">120 * (50/3)</gadget>
<output>2_000</output>

<result>2_000</result>