No problem, we've got 72101313 and 52224403 to multiply
72101313 × 52224403 = 52224403 × (72101313)
+ 52224403 × 3 yielding 156673209
+ 52224403 × 10 which equals 522244030
+ 52224403 × 300 what gives us 15667320900
+ 52224403 × 1000 resulting in 52224403000
+ 52224403 × 00000 that equals 0
+ 52224403 × 100000 producing 5222440300000
+ 52224403 × 2000000 which equals 104448806000000
+ 52224403 × 70000000 that is equal 3655708210000000

= 3765448026941139
