Alright, let's work through 78356020 times 61467835 step by step
78356020 × 61467835 = 61467835 × (78356020)
+ 61467835 × 0 that results in 0
+ 61467835 × 20 producing 1229356700
+ 61467835 × 000 resulting in 0
+ 61467835 × 6000 giving us 368807010000
+ 61467835 × 50000 which equals 3073391750000
+ 61467835 × 300000 that equals 18440350500000
+ 61467835 × 8000000 resulting in 491742680000000
+ 61467835 × 70000000 that is equal 4302748450000000

= 4816374908616700
