Question
A rectangular tank measuring 42 cm by 10 cm by 18 cm was completely filled with water. After some water was poured out from the tank, the height of the water decreased from 18 cm to 12 cm. How much water was poured out from the tank?
3 m

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A rectangular tank measuring 42 cm by 10 cm by 18 cm was completely filled with water. After some water was poured out from the tank, the height of the water decreased from 18 cm to 12 cm. How much water was poured out from the tank?