James replaces the coffee for the household.  There are 3 other people in the house and everyone drinks 2 cups of coffee a day.  It takes .5 ounces of coffee per cup of coffee.  If coffee costs $1.25 an ounce, how much does he spend on coffee a week?
There are 3+1=
<gadget id="calculator">3+1</gadget>
<output>4</output>
4 people in the house.
So they drink 4*2=
<gadget id="calculator">4*2</gadget>
<output>8</output>
8 cups of coffee a day.
That means they use 8*.5=
<gadget id="calculator">8*.5</gadget>
<output>4</output>
4 ounces of coffee a day.
So they use 4*7=
<gadget id="calculator">4*7</gadget>
<output>28</output>
28 ounces of coffee a week.
So he spends 28*1.25=$
<gadget id="calculator">28*1.25</gadget>
<output>35</output>
35.

<result>35</result>