Ask a few jokes (quick)

The salesman enthusiastically introduced the performance of the gas stove to the customer: "This is the latest product, and its biggest feature is fuel saving, which can save one-third of the gas compared with other gas stoves." "I want three." A customer said. "How many people are there in your family? Why buy three gas stoves? " "If you buy three, each province will save one-third of the gas, so my family won't have to buy gas."