The dairy factory can supply 280 cartons of pure milk and 260 cartons of high-calcium milk to the market every day. One truck can transport 60 cartons at a time. How many times does this truck need to transport them all?
奶牛厂每天能向市场供应280箱纯牛奶，260箱高钙奶，一辆卡车一次能运60箱，这辆卡车要运多少次才能全部运完？
<gadget id="calculator">280 + 260</gadget>
<output>540</output>

<gadget id="calculator">540 / 60</gadget>
<output>9</output>

<result>9</result>