No problem, we've got 79968634 and 78609455 to multiply
79968634 × 78609455 = 78609455 × (79968634)
+ 78609455 × 4 which equals 314437820
+ 78609455 × 30 that is equal 2358283650
+ 78609455 × 600 yielding 47165673000
+ 78609455 × 8000 producing 628875640000
+ 78609455 × 60000 that is equal 4716567300000
+ 78609455 × 900000 yielding 70748509500000
+ 78609455 × 9000000 that results in 707485095000000
+ 78609455 × 70000000 which equals 5502661850000000

= 6286290735834470
