Xiaoming's family of 3 went on a trip, and each train ticket cost 215 yuan, and they had to take the train when they came back. How much did they spend on the train tickets for this trip?
小明一家3口去旅游，每张火车票要215元，回来还要乘火车，这次旅游他们家买火车票一共花了多少钱？
<gadget id="calculator">215 * 3 * 2</gadget>
<output>1_290</output>

<result>1_290</result>