Mathematical multiplication joke

Smile every day: On the road today, a vendor greeted Xiaoming: Does Mr. Wang use a smart machine? A mobile power supply! Xiao Ming said: thank you, but I used Unicom card! Unicom card. . . . Listening to the people next to me say that money can't buy time, I immediately stood up and shouted: stationmaster, add an hour on the 25th, give me money! -Watching a 3D movie, a man in the back kept whining, and Xiao Ming turned around and punched him. He said, "It really feels like being beaten." -coffee shop, a beautiful woman came up to me and said, "handsome boy, do you have a charging treasure?" Xiaoming spread out his hands and said to her, "Are you blind?" She said, "Excuse me, Ugly B, do you have a charging treasure?"