No problem, we've got 19766979 and 54233647 to multiply
19766979 × 54233647 = 54233647 × (19766979)
+ 54233647 × 9 yielding 488102823
+ 54233647 × 70 that equals 3796355290
+ 54233647 × 900 what gives us 48810282300
+ 54233647 × 6000 producing 325401882000
+ 54233647 × 60000 resulting in 3254018820000
+ 54233647 × 700000 giving us 37963552900000
+ 54233647 × 9000000 that results in 488102823000000
+ 54233647 × 10000000 that results in 542336470000000

= 1072035361342413
