The three members of Li Qiang's family took the train to travel, each train ticket was 375 yuan, and they also took the train when they came back. How much did Li Qiang's family spend on train tickets for this trip?
李强一家三口人乘火车去旅游，每张火车票375元，回来还乘火车，李强家这次旅游买火车票一共花多少钱？
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">375 * 6</gadget>
<output>2_250</output>

<result>2_250</result>