Alright, let's work through 24303025 times 28303373 step by step
24303025 × 28303373 = 28303373 × (24303025)
+ 28303373 × 5 which equals 141516865
+ 28303373 × 20 that equals 566067460
+ 28303373 × 000 giving us 0
+ 28303373 × 3000 which equals 84910119000
+ 28303373 × 00000 that is equal 0
+ 28303373 × 300000 resulting in 8491011900000
+ 28303373 × 4000000 that results in 113213492000000
+ 28303373 × 20000000 resulting in 566067460000000

= 687857581603325
