There were 358 people on board the "Peace" passenger ship, 79 people disembarked after arriving at the pier, and 108 people boarded. How many people were on board when the ship sailed again?
"和平"号客轮上有358人，到达码头后有79人下船，有108人上船．再开船时客轮上有多少人？
<gadget id="calculator">358 - 79</gadget>
<output>279</output>

<gadget id="calculator">279 + 108</gadget>
<output>387</output>

<result>387</result>