A machining cell uses 194 pounds of a certain material each day. Material is transported in vats that hold 24 pounds each. The cycle time for the vats is about 2 hours. The manager has assigned an inefficiency factor of 0.9 to the cell. The plant operates on an 8 hour day.

How many vats will be used? (Round up your answer to the next whole number.)

Number of vats________.