In a restaurant, a burger costs $9, and a pizza twice as much. How much would cost one pizza and three burgers?
One pizza costs twice as much as the burger, which means 9 * 2 = $
<gadget id="calculator">9*2</gadget>
<output>18</output>
18.
Three burgers would cost 9 * 3 = $
<gadget id="calculator">9*3</gadget>
<output>27</output>
27.
So one pizza and three burgers would cost in total 18 + 27 = $
<gadget id="calculator">18+27</gadget>
<output>45</output>
45.

<result>45</result>