Marion’s bike cost $356. Stephanie’s bike is worth twice as much. What is the total price of their bikes?
Stephanie's bike costs $356 * 2 = $
<gadget id="calculator">356*2</gadget>
<output>712</output>
712.
So, their bikes cost $356 + $712 = $
<gadget id="calculator">356+712</gadget>
<output>1_068</output>
1068 in total.

<result>1_068</result>