1. There are 13 crows perched on the branches of a tree. How many feet are there on the branches?   2. A starfish has 5 arms. How many arms do 105 starfish have?   3. There are 15 butterflies. Each butterfly has 4 black dots and 10 yellow dots. How many black dots are there in all?   4. There are 37 deer in a park. How many legs are there in all?   5. A farm has 92 hens. Each hen lays 7 eggs. How many eggs are there in all?