Alright, let's work through 97718687 times 47977956 step by step
97718687 × 47977956 = 47977956 × (97718687)
+ 47977956 × 7 that equals 335845692
+ 47977956 × 80 yielding 3838236480
+ 47977956 × 600 resulting in 28786773600
+ 47977956 × 8000 giving us 383823648000
+ 47977956 × 10000 what gives us 479779560000
+ 47977956 × 700000 that equals 33584569200000
+ 47977956 × 7000000 yielding 335845692000000
+ 47977956 × 90000000 producing 4318016040000000

= 4688342865263772
