It is estimated that 180 meters of road will be built every day, and it will be completed in exactly 15 days. In fact, 240 meters will be repaired every day. How many days will it actually take to finish the road?
修一段路，预计每天修180米，刚好15天修完，实际每天修240米，修完这段路实际要用多少天？
<gadget id="calculator">15 / 240</gadget>
<output>1/16 = around 0.0625</output>

<gadget id="calculator">180 * (1/16)</gadget>
<output>45/4 = around 11.25</output>

<result>45/4 = around 11.25</result>