Damien jogs 5 miles per day on weekdays only.  How many miles does he run over three weeks?
Three weeks at 5 days per week means Damien runs 3*5=
<gadget id="calculator">3*5</gadget>
<output>15</output>
15 times in three weeks.
If each time he runs 5 miles, then over 15 running days he covers 5*15=
<gadget id="calculator">5*15</gadget>
<output>75</output>
75 miles.

<result>75</result>