A machine at the soda factory can usually fill a barrel of soda in 3 minutes. However this morning a leak went unnoticed and it took 5 minutes to fill one barrel. If the leak remains undetected, how much longer will it take to fill 12 barrels of soda than on a normal day when the machine works fine?
On a regular day it would take 3*12=
<gadget id="calculator">3*12</gadget>
<output>36</output>
36 minutes.
With the leak it will take 5*12=
<gadget id="calculator">5*12</gadget>
<output>60</output>
60 minutes.
It will take 60-36=
<gadget id="calculator">60-36</gadget>
<output>24</output>
24 more minutes if the leak goes undetected.

<result>24</result>