A ship originally had 205 passengers. After arriving at Wuhan Passenger Port, 79 people disembarked and 128 boarded. How many people were on board when the ship sailed again?
一艘轮船原来有乘客205人，到达武汉客运港后，有79人下船，有128人上船．再开船时客轮上有多少人？
<gadget id="calculator">205 - 79</gadget>
<output>126</output>

<gadget id="calculator">126 + 128</gadget>
<output>254</output>

<result>254</result>