A dental office gives away 2 toothbrushes to every patient who visits.  His 8 hour days are packed and each visit takes .5 hours.  How many toothbrushes does he give in a 5 day work week?
Each day he does 8/.5=
<gadget id="calculator">8/.5</gadget>
<output>16</output>
16 visits.
So he does 16*5=
<gadget id="calculator">16*5</gadget>
<output>80</output>
80 visits a week.
That means he gives away 80*2=
<gadget id="calculator">80*2</gadget>
<output>160</output>
160 toothbrushes a week.

<result>160</result>