Alright, let's work through 78395142 times 55004550 step by step
78395142 × 55004550 = 55004550 × (78395142)
+ 55004550 × 2 resulting in 110009100
+ 55004550 × 40 producing 2200182000
+ 55004550 × 100 giving us 5500455000
+ 55004550 × 5000 that results in 275022750000
+ 55004550 × 90000 what gives us 4950409500000
+ 55004550 × 300000 that equals 16501365000000
+ 55004550 × 8000000 producing 440036400000000
+ 55004550 × 70000000 producing 3850318500000000

= 4312089507896100
