Alright, let's work through 87938913 times 11189794 step by step
87938913 × 11189794 = 11189794 × (87938913)
+ 11189794 × 3 resulting in 33569382
+ 11189794 × 10 that is equal 111897940
+ 11189794 × 900 yielding 10070814600
+ 11189794 × 8000 that results in 89518352000
+ 11189794 × 30000 producing 335693820000
+ 11189794 × 900000 giving us 10070814600000
+ 11189794 × 7000000 yielding 78328558000000
+ 11189794 × 80000000 resulting in 895183520000000

= 984018321053922
