The fruit station returns a batch of fruits. It is known that the weight ratio of pears, apples, and bananas is 5:3:2, and the bananas weigh 120 kilograms. How many kilograms are there in total?
水果站运回一批水果，已知梨、苹果、香蕉的重量比为5：3：2，其中香蕉有120千克，这批水果共多少千克？
<gadget id="calculator">5 + 3 + 2</gadget>
<output>10</output>

<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">120 / (1/5)</gadget>
<output>600</output>

<result>600</result>