Alright, let's work through 43239997 times 13395782 step by step
43239997 × 13395782 = 13395782 × (43239997)
+ 13395782 × 7 which equals 93770474
+ 13395782 × 90 that equals 1205620380
+ 13395782 × 900 that is equal 12056203800
+ 13395782 × 9000 producing 120562038000
+ 13395782 × 30000 resulting in 401873460000
+ 13395782 × 200000 what gives us 2679156400000
+ 13395782 × 3000000 yielding 40187346000000
+ 13395782 × 40000000 that equals 535831280000000

= 579233573492654
