Alright, let's work through 23364028 times 81203408 step by step
23364028 × 81203408 = 81203408 × (23364028)
+ 81203408 × 8 that equals 649627264
+ 81203408 × 20 what gives us 1624068160
+ 81203408 × 000 which equals 0
+ 81203408 × 4000 producing 324813632000
+ 81203408 × 60000 which equals 4872204480000
+ 81203408 × 300000 giving us 24361022400000
+ 81203408 × 3000000 yielding 243610224000000
+ 81203408 × 20000000 yielding 1624068160000000

= 1897238698207424
