Alright, let's work through 702113 times 28942426 step by step
702113 × 28942426 = 28942426 × (702113)
+ 28942426 × 3 producing 86827278
+ 28942426 × 10 that results in 289424260
+ 28942426 × 100 resulting in 2894242600
+ 28942426 × 2000 what gives us 57884852000
+ 28942426 × 00000 that results in 0
+ 28942426 × 700000 that results in 20259698200000

= 20320853546138
