Alright, let's work through 15006818 times 99300239 step by step
15006818 × 99300239 = 99300239 × (15006818)
+ 99300239 × 8 what gives us 794401912
+ 99300239 × 10 what gives us 993002390
+ 99300239 × 800 that is equal 79440191200
+ 99300239 × 6000 which equals 595801434000
+ 99300239 × 00000 resulting in 0
+ 99300239 × 000000 that equals 0
+ 99300239 × 5000000 that is equal 496501195000000
+ 99300239 × 10000000 giving us 993002390000000

= 1490180614029502
