1. There are 14 cakes. Each cake is cut into 9 parts. Each part is further cut into 2 pieces. How many cake pieces are there in all?   2. The Professors at the State University drank 262 cups of tea yesterday. They drank 69 cups in the morning and 100 in the afternoon. How many did they drink in the evening?   3. Paul has a collection of 167 books. He donated 16 books last year and 27 books this year. How many books does he still have?   4. A school has 5 dining halls. Each dining hall has28 tables. If there are four children to each table, how many children stay for lunch?   5. Last month, Jack worked for 179 hours, Greg worked for 159 hours, and Edward worked 36 hours more than Jack. How many hours did they work altogether?