If one atomic mass unit is equal to 1.6606 x 10-24 g, what is the mass in grams of 72355 atoms of Fe?

If one brick weighs 1.6606 Kg, how much would 72355 bricks weigh?
Let's make it really easy: if a brick weighs 1 Kg, how much do 7 bricks weigh?
You can do it!