Apples used to cost $1.6 per pound.  The price got raised 25%.  How much does it cost to buy 2 pounds of apples for each person in a 4 member family?
The price increase raised the price by 1.6*.25=$
<gadget id="calculator">1.6*.25</gadget>
<output>0.4</output>
.4.
So each pound of apples cost 1.6+.4=$2
2*4=
<gadget id="calculator">2*4</gadget>
<output>8</output>
8 pounds of apples are bought.
So the apples cost 8*2=$
<gadget id="calculator">8*2</gadget>
<output>16</output>
16.

<result>16</result>