There are some passengers on the bus when it leaves the starting station. At the second stop, 5 people got off the bus first, and then 8 people got on the bus. At this time, there were 26 passengers on the bus. How many people were in the car when it drove from the starting station?
一辆公共汽车从起点站开出时车上有一些乘客．到了第二站，先下车5人，又上车8人，这时车上共有乘客26人．这辆车从起点站开出时车上有多少人？
<gadget id="calculator">26 - 8</gadget>
<output>18</output>

<gadget id="calculator">18 + 5</gadget>
<output>23</output>

<result>23</result>