Ice cream costs $2.00 and toppings cost $0.50 per topping. How much does a sundae with 10 toppings cost?
First find the total cost of the toppings: 10 toppings * $0.50/topping = $
<gadget id="calculator">10*0.5</gadget>
<output>5</output>
5.00.
Then add that amount to the cost of the ice cream: $5.00 + $2.00 = $
<gadget id="calculator">5+2</gadget>
<output>7</output>
7.00.

<result>7</result>