No problem, we've got 78195876 and 61808858 to multiply
78195876 × 61808858 = 61808858 × (78195876)
+ 61808858 × 6 what gives us 370853148
+ 61808858 × 70 which equals 4326620060
+ 61808858 × 800 yielding 49447086400
+ 61808858 × 5000 producing 309044290000
+ 61808858 × 90000 that is equal 5562797220000
+ 61808858 × 100000 that results in 6180885800000
+ 61808858 × 8000000 which equals 494470864000000
+ 61808858 × 70000000 that is equal 4326620060000000

= 4833197795869608
