An express train has 9 hard-seat cars, each carrying 120 passengers on average, and 6 sleeper cars, carrying 560 passengers. How many passengers does this express train carry in total?
一列特快车，共有9节硬座车厢，平均每节载客120人，另有6节卧铺车厢，载有560位旅客．这列快车一共载客多少人？
<gadget id="calculator">120 * 9</gadget>
<output>1_080</output>

<gadget id="calculator">1_080 + 560</gadget>
<output>1_640</output>

<result>1_640</result>