We're going to solve 42878999 multiplied by 87930217
42878999 × 87930217 = 87930217 × (42878999)
+ 87930217 × 9 that equals 791371953
+ 87930217 × 90 that equals 7913719530
+ 87930217 × 900 yielding 79137195300
+ 87930217 × 8000 yielding 703441736000
+ 87930217 × 70000 which equals 6155115190000
+ 87930217 × 800000 giving us 70344173600000
+ 87930217 × 2000000 resulting in 175860434000000
+ 87930217 × 40000000 that results in 3517208680000000

= 3770359686812783
