At a certain gas station, 40% of the customers use regular unleaded gas, 35% use extra unleaded gas, and 25% use premium unleaded gas. Of those customers using regular gas, only 30% fill their tanks. Of those customers using extra unleaded gas, 60% fill their tanks, whereas of those using premium, 50% fill their tanks. What is the probability that the next customer will request extra unleaded gas and fill the tank?