Let's calculate 72120844 x 37664142
72120844 × 37664142 = 37664142 × (72120844)
+ 37664142 × 4 that is equal 150656568
+ 37664142 × 40 which equals 1506565680
+ 37664142 × 800 that results in 30131313600
+ 37664142 × 0000 producing 0
+ 37664142 × 20000 producing 753282840000
+ 37664142 × 100000 that equals 3766414200000
+ 37664142 × 2000000 that equals 75328284000000
+ 37664142 × 70000000 yielding 2636489940000000

= 2716369709575848
