John plans to save money from working.  He gets paid $2 per hour and works 5 hours a day for 4 days a week.  If he wants to save $80 how many weeks will it take him?
He gets paid 2*5=$
<gadget id="calculator">2*5</gadget>
<output>10</output>
10 a day.
So he gets paid 10*4=$
<gadget id="calculator">10*4</gadget>
<output>40</output>
40 a week.
That means it would take 80/40=
<gadget id="calculator">80/40</gadget>
<output>2</output>
2 weeks to save up the money.

<result>2</result>