No problem, we've got 42145455 and 29025423 to multiply
42145455 × 29025423 = 29025423 × (42145455)
+ 29025423 × 5 resulting in 145127115
+ 29025423 × 50 yielding 1451271150
+ 29025423 × 400 yielding 11610169200
+ 29025423 × 5000 what gives us 145127115000
+ 29025423 × 40000 what gives us 1161016920000
+ 29025423 × 100000 that equals 2902542300000
+ 29025423 × 2000000 producing 58050846000000
+ 29025423 × 40000000 what gives us 1161016920000000

= 1223289658902465
