Alright, let's work through 25092383 times 68000402 step by step
25092383 × 68000402 = 68000402 × (25092383)
+ 68000402 × 3 that equals 204001206
+ 68000402 × 80 that results in 5440032160
+ 68000402 × 300 that is equal 20400120600
+ 68000402 × 2000 which equals 136000804000
+ 68000402 × 90000 resulting in 6120036180000
+ 68000402 × 000000 that equals 0
+ 68000402 × 5000000 producing 340002010000000
+ 68000402 × 20000000 which equals 1360008040000000

= 1706292131137966
