No problem, we've got 72422419 and 71524314 to multiply
72422419 × 71524314 = 71524314 × (72422419)
+ 71524314 × 9 which equals 643718826
+ 71524314 × 10 that equals 715243140
+ 71524314 × 400 that is equal 28609725600
+ 71524314 × 2000 that equals 143048628000
+ 71524314 × 20000 that equals 1430486280000
+ 71524314 × 400000 which equals 28609725600000
+ 71524314 × 2000000 that is equal 143048628000000
+ 71524314 × 70000000 that is equal 5006701980000000

= 5179963837195566
