Chad is hosting a BBQ on the hottest day of the year, where there will be a total of 15 people.  He will need 2 pounds of ice per person to account for the heat.  One pound bags of ice are sold for $3.00 for a pack of 10.  How much will he spend on ice?
He's inviting 15 guests and will need 2 pounds per person so he will need 15*2 = 
<gadget id="calculator">15*2</gadget>
<output>30</output>
30 pounds of ice.
Ice is sold in 10-pound bags and he needs 30 pounds so he will need 30/10 = 
<gadget id="calculator">30/10</gadget>
<output>3</output>
3 bags of ice.
Each bag is $3.00 and he needs 3 bags so they will cost 3*3 = $
<gadget id="calculator">3*3</gadget>
<output>9</output>
9.00.

<result>9</result>