No problem, we've got 54503453 and 34382407 to multiply
54503453 × 34382407 = 34382407 × (54503453)
+ 34382407 × 3 that is equal 103147221
+ 34382407 × 50 resulting in 1719120350
+ 34382407 × 400 giving us 13752962800
+ 34382407 × 3000 yielding 103147221000
+ 34382407 × 00000 producing 0
+ 34382407 × 500000 that equals 17191203500000
+ 34382407 × 4000000 yielding 137529628000000
+ 34382407 × 50000000 which equals 1719120350000000

= 1873959903951371
