John hires a driving service to get him to work each day.  His work is 30 miles away and he has to go there and back each day.  He goes to work 5 days a week for 50 weeks a year.  He gets charged $2 per mile driven and he also gives his driver a $150 bonus per month.  How much does he pay a year for driving?
He has to travel 30*2=
<gadget id="calculator">30*2</gadget>
<output>60</output>
60 miles per day.
That means he travels 60*5=
<gadget id="calculator">60*5</gadget>
<output>300</output>
300 miles per week.
So he pays 300*2=$
<gadget id="calculator">300*2</gadget>
<output>600</output>
600 per week.
That means he pays $600*50=$
<gadget id="calculator">600*50</gadget>
<output>30_000</output>
30000 a year for miles driven.
He also gives $150*12=$
<gadget id="calculator">150*12</gadget>
<output>1_800</output>
1800 a year as a bonus to his driver.
So he pays $30000+$1800=$
<gadget id="calculator">30000+1800</gadget>
<output>31_800</output>
31,800 a year.

<result>31_800</result>