No problem, we've got 81203379 and 18042962 to multiply
81203379 × 18042962 = 18042962 × (81203379)
+ 18042962 × 9 which equals 162386658
+ 18042962 × 70 resulting in 1263007340
+ 18042962 × 300 that results in 5412888600
+ 18042962 × 3000 which equals 54128886000
+ 18042962 × 00000 what gives us 0
+ 18042962 × 200000 that equals 3608592400000
+ 18042962 × 1000000 yielding 18042962000000
+ 18042962 × 80000000 producing 1443436960000000

= 1465149481568598
