human
Marion’s bike cost $356. Stephanie’s bike is worth twice as much. What is the total price of their bikes?
assistant
How much does Stephanie's bike cost? ** Stephanie's bike costs $356 * 2 = $<<356*2=712>>712.
What is the total price of their bikes? ** So, their bikes cost $356 + $712 = $<<356+712=1068>>1068 in total.
#### 1068