The fruit grower needs to pack and transport 4,500 kilograms of grapes, and each carton can hold up to 15 kilograms. If one truck transports 100 boxes, how many trucks are needed?
果农要把4500千克的葡萄装箱运走，每个纸箱最多装15千克，如果一辆卡车运100箱，需要几辆卡车？
<gadget id="calculator">4_500 / 15 / 100</gadget>
<output>3</output>

<result>3</result>