Alright, let's work through 80712445 times 22186068 step by step
80712445 × 22186068 = 22186068 × (80712445)
+ 22186068 × 5 what gives us 110930340
+ 22186068 × 40 which equals 887442720
+ 22186068 × 400 which equals 8874427200
+ 22186068 × 2000 that is equal 44372136000
+ 22186068 × 10000 that results in 221860680000
+ 22186068 × 700000 resulting in 15530247600000
+ 22186068 × 0000000 which equals 0
+ 22186068 × 80000000 yielding 1774885440000000

= 1790691793216260
