Alright, let's work through 18860356 times 71557802 step by step
18860356 × 71557802 = 71557802 × (18860356)
+ 71557802 × 6 that equals 429346812
+ 71557802 × 50 producing 3577890100
+ 71557802 × 300 producing 21467340600
+ 71557802 × 0000 giving us 0
+ 71557802 × 60000 resulting in 4293468120000
+ 71557802 × 800000 which equals 57246241600000
+ 71557802 × 8000000 what gives us 572462416000000
+ 71557802 × 10000000 what gives us 715578020000000

= 1349605620297512
