Two cars, passenger and freight, are traveling toward each other in the city of AB, which is 240 kilometers apart. The passenger car travels 65 kilometers per hour, and the freight car travels 55 kilometers per hour. After how many hours did the two cars meet? (Solve in two ways) Method 1: (Arithmetic) Method 2: (Solve the equation)
客、货两车同时相距240千米的AB两城相向而行，客车每小时行65千米，货车每小时行55千米．经过几小时两车相遇？(用两种方法解答)方法一：(算术)方法二：(解方程)
<gadget id="calculator">65 + 55</gadget>
<output>120</output>

<gadget id="calculator">240 / 120</gadget>
<output>2</output>

<result>2</result>