On the National Day, Xiaohong’s family drove from Shehong to Chongqing for a trip. It took them 5 hours. They traveled 85 kilometers per hour for the first 3 hours, and 120 kilometers for the next 2 hours. How many kilometers is the total distance from Shehong to Chongqing?
国庆节，小红一家开车从射洪出发去重庆旅游，一共用去5小时，前3小时每小时行85千米，后2小时共行驶120千米，射洪到重庆一共有多少千米？
<gadget id="calculator">85 * 3</gadget>
<output>255</output>

<gadget id="calculator">255 + 120</gadget>
<output>375</output>

<result>375</result>