Vinicio goes to the store and buys 3 meters of red tape, 70 centimeters of green tape, 3 decimeters of blue tape. How many centimeters does he commit in total?
3 meters = 3 x 100 centimeters = 300 centimeters
70 centimeters = 70 centimeters
3 decimeters = 3 x 10 centimeters = 30 centimeters
(300 + 70 + 30) = 400 centimeters
+157 
