Let's calculate 87018007 x 39437740
87018007 × 39437740 = 39437740 × (87018007)
+ 39437740 × 7 giving us 276064180
+ 39437740 × 00 that equals 0
+ 39437740 × 000 that results in 0
+ 39437740 × 8000 producing 315501920000
+ 39437740 × 10000 which equals 394377400000
+ 39437740 × 000000 yielding 0
+ 39437740 × 7000000 resulting in 276064180000000
+ 39437740 × 80000000 that results in 3155019200000000

= 3431793535384180
