Alright, let's work through 87976196 times 48520328 step by step
87976196 × 48520328 = 48520328 × (87976196)
+ 48520328 × 6 which equals 291121968
+ 48520328 × 90 that equals 4366829520
+ 48520328 × 100 which equals 4852032800
+ 48520328 × 6000 giving us 291121968000
+ 48520328 × 70000 that equals 3396422960000
+ 48520328 × 900000 that results in 43668295200000
+ 48520328 × 7000000 which equals 339642296000000
+ 48520328 × 80000000 giving us 3881626240000000

= 4268633886112288
