Peter goes to the store to buy a soda. The soda costs $.25 an ounce. He brought $2 with him and leaves with $.50. How many ounces of soda did he buy?
He spend $1.5 on soda because 2 - .5 = 
<gadget id="calculator">2-.5</gadget>
<output>1.5</output>
1.5.
He bought 6 ounces of soda because 1.5 / .25 = 
<gadget id="calculator">6</gadget>
<output>6</output>
6.

<result>6</result>