To get free delivery, Alice needs to spend a minimum of $35.00 online at her favorite grocery store.  In her cart she has 1.5 pounds of chicken at $6.00 per pound, 1 pack of lettuce for $3.00, cherry tomatoes for $2.50, 4 sweet potatoes at $0.75 each, 2 heads of broccoli for $2.00 each and a pound of Brussel sprouts for $2.50.  How much more does she need to spend in order to get free delivery?
She bought 1.5 pounds of chicken for $6.00/pound so that's 1.5*$6 = $
<gadget id="calculator">1.5*6</gadget>
<output>9</output>
9.00.
She bought 4 sweet potatoes at $0.75 each so that's 4*$0.75 = $
<gadget id="calculator">4*0.75</gadget>
<output>3</output>
3.00.
She bought 2 heads of broccoli for $2.00 each so that's 2*$2 = $
<gadget id="calculator">2*2</gadget>
<output>4</output>
4.00.
The chicken is $9.00, lettuce is $3.00, tomatoes are $2.50, the sweet potatoes are $3.00, broccoli is $4.00 and Brussel sprouts are $2.50 for a total of $9 + $3 + $2.50 + $3 + $4 + $2.5 = $
<gadget id="calculator">9+3+2.5+3+4+2.5</gadget>
<output>24</output>
24.00.
To get free delivery she needs to spend $35.00, and she already has $24.00 in her cart, so she needs to spend an extra $35-$24 = $
<gadget id="calculator">35-24</gadget>
<output>11</output>
11.00.

<result>11</result>