Alright, let's work through 78488538 times 1978052 step by step
78488538 × 1978052 = 1978052 × (78488538)
+ 1978052 × 8 giving us 15824416
+ 1978052 × 30 resulting in 59341560
+ 1978052 × 500 yielding 989026000
+ 1978052 × 8000 that results in 15824416000
+ 1978052 × 80000 that is equal 158244160000
+ 1978052 × 400000 that equals 791220800000
+ 1978052 × 8000000 that results in 15824416000000
+ 1978052 × 70000000 that results in 138463640000000

= 155254409567976
