1. Mr. Smith drove 7 miles in his new car on Saturday and 50 miles on Thursday.  How many miles did he drive in these two days?   2. There are 9 trucks and 84 vans in a parking lot. How many vehicles are there in the parking lot?   3. There are 36 men and 39 women in an aeroplane. How many passengers are there altogether?   4. Andy is a mechanic. He repaired 47 cars and 8 buses last month. How many vehicles did he repair altogether?   5. Mrs. Hick used 8 gallons of fuel last week. She used 4 gallons this week. How many gallons of fuel were consumed in the two weeks?