Dig a 24-kilometer-long canal. The full length (3/8) was dug in the first week, and the rest was dug in the second week. How many kilometers were dug in the second week?
挖一条24千米长的水渠，第一周挖了全长的(3/8)，余下的第二周挖完，第二周挖了多少千米？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">24 * (5/8)</gadget>
<output>15</output>

<result>15</result>