Jackie's favorite cosmetic company was offering free shipping when you spent $50.00.  Jackie ordered her favorite shampoo and conditioner that each cost $10.00 a bottle and 3 bottles of lotion that cost $6.00 each.  How much more money does Jackie need to spend to be eligible for free shipping?
The shampoo and conditioner cost $10 each so 2*$10 = $
<gadget id="calculator">2*10</gadget>
<output>20</output>
20.00
3 bottles of lotion cost $6.00 each so 3*$6 = $
<gadget id="calculator">3*6</gadget>
<output>18</output>
18.00.
So far she has spent $20+$18 = $
<gadget id="calculator">20+18</gadget>
<output>38</output>
38.00.
You need to spend $50.00 for free shipping and she has spent $38.00 already so she needs to buy $50-$38 = $
<gadget id="calculator">50-38</gadget>
<output>12</output>
12.00 more in products.

<result>12</result>