There are six ways for three people to hit a * * * with two umbrellas in junior math. This is a question of arrangement and combination, mainly to train students' thinking ability. Students with strong thinking ability can work out the results quickly, while students with poor thinking ability are hard to understand. Therefore, parents need to tutor their children at home and exercise their thinking ability. In school, teachers can't take care of every student, and students can only rely on parents' guidance if they don't understand anything, otherwise it will be difficult to make up after the curriculum falls behind.