There are 163 students traveling in 3 cars. The first two cars hold 54 people in each car. How many people are in the third car?
有163名同学乘3辆车旅游，前两辆车每车坐54人，第三辆车坐多少人？
<gadget id="calculator">54 * 2</gadget>
<output>108</output>

<gadget id="calculator">163 - 108</gadget>
<output>55</output>

<result>55</result>