Alright, let's work through 84289002 times 16907830 step by step
84289002 × 16907830 = 16907830 × (84289002)
+ 16907830 × 2 that equals 33815660
+ 16907830 × 00 which equals 0
+ 16907830 × 000 that is equal 0
+ 16907830 × 9000 that results in 152170470000
+ 16907830 × 80000 producing 1352626400000
+ 16907830 × 200000 what gives us 3381566000000
+ 16907830 × 4000000 that is equal 67631320000000
+ 16907830 × 80000000 which equals 1352626400000000

= 1425144116685660
