No problem, we've got 79214489 and 15747281 to multiply
79214489 × 15747281 = 15747281 × (79214489)
+ 15747281 × 9 that equals 141725529
+ 15747281 × 80 yielding 1259782480
+ 15747281 × 400 yielding 6298912400
+ 15747281 × 4000 yielding 62989124000
+ 15747281 × 10000 resulting in 157472810000
+ 15747281 × 200000 that results in 3149456200000
+ 15747281 × 9000000 yielding 141725529000000
+ 15747281 × 70000000 that results in 1102309670000000

= 1247412817554409
