Alright, let's work through 6647488 times 23395564 step by step
6647488 × 23395564 = 23395564 × (6647488)
+ 23395564 × 8 that equals 187164512
+ 23395564 × 80 that equals 1871645120
+ 23395564 × 400 that results in 9358225600
+ 23395564 × 7000 yielding 163768948000
+ 23395564 × 40000 what gives us 935822560000
+ 23395564 × 600000 producing 14037338400000
+ 23395564 × 6000000 which equals 140373384000000

= 155521730943232
