Xiao Ming, his father, and his mother went on a trip together and bought 3 train tickets at 215 yuan each. They also took the train when they came back. How much did the trip cost?
小明、爸爸、妈妈一家去旅游，买了3张火车票，每张215元，回来还乘火车，这次旅游一共花了多少钱？
<gadget id="calculator">215 * 3 * 2</gadget>
<output>1_290</output>

<result>1_290</result>