Alright, let's work through 56711001 times 28662157 step by step
56711001 × 28662157 = 28662157 × (56711001)
+ 28662157 × 1 that results in 28662157
+ 28662157 × 00 that results in 0
+ 28662157 × 000 that results in 0
+ 28662157 × 1000 producing 28662157000
+ 28662157 × 10000 which equals 286621570000
+ 28662157 × 700000 which equals 20063509900000
+ 28662157 × 6000000 yielding 171972942000000
+ 28662157 × 50000000 that equals 1433107850000000

= 1625459614289157
