Alright, let's work through 97863863 times 53492943 step by step
97863863 × 53492943 = 53492943 × (97863863)
+ 53492943 × 3 producing 160478829
+ 53492943 × 60 that is equal 3209576580
+ 53492943 × 800 giving us 42794354400
+ 53492943 × 3000 that results in 160478829000
+ 53492943 × 60000 that equals 3209576580000
+ 53492943 × 800000 that is equal 42794354400000
+ 53492943 × 7000000 resulting in 374450601000000
+ 53492943 × 90000000 resulting in 4814364870000000

= 5235026045218809
