Santa and his elves had a workshop that allowed them to produce 2 2 , 9 1 2 , 5 4 6 , 9 9 2 toys each year. The world population increased, so they built a new workshop. The new workshop allows them to produce 4 , 1 3 4 , 2 3 2 , 6 3 8 , 9 3 7 toys each year. Approximately how many times as many toys can the new workshop produce each year compared to the old workshop? Write in exponential form