1. Stacy bought 7 dolls. Each doll cost $ 28. How many dollars did she spend on the dolls?   2. Cheryl has 15 dolls. Each doll has a black dress, a reddress, and a blue dress. How many dresses are there in all?   3. Arthur has 33 toy cars. How many total wheels are there on the toy cars?   4. Bill arranges 34 blocks in a tall stack. He makes 6 such stacks. How many total blocks are there in the stacks?   5. Barbara multiplied 36 by 7 on her toy calculator. What product did the calculator display?