No problem, we've got 72451548 and 67227366 to multiply
72451548 × 67227366 = 67227366 × (72451548)
+ 67227366 × 8 resulting in 537818928
+ 67227366 × 40 producing 2689094640
+ 67227366 × 500 resulting in 33613683000
+ 67227366 × 1000 that is equal 67227366000
+ 67227366 × 50000 which equals 3361368300000
+ 67227366 × 400000 that results in 26890946400000
+ 67227366 × 2000000 that is equal 134454732000000
+ 67227366 × 70000000 what gives us 4705915620000000

= 4870726734662568
