A taco truck buys 100 pounds of beef.  They use .25 pounds of beef per taco.  If they sell each taco for $2 and each taco takes $1.5 to make how much profit did they make if they used all the beef?
They made 100/.25=
<gadget id="calculator">100/.25</gadget>
<output>400</output>
400 tacos.
Each taco gives a profit of 2-1.5=$
<gadget id="calculator">2-1.5</gadget>
<output>0.5</output>
.5.
So they made a profit of 400*.5=$
<gadget id="calculator">400*.5</gadget>
<output>200</output>
200.

<result>200</result>