Alright, let's work through 10842934 times 91097971 step by step
10842934 × 91097971 = 91097971 × (10842934)
+ 91097971 × 4 which equals 364391884
+ 91097971 × 30 resulting in 2732939130
+ 91097971 × 900 yielding 81988173900
+ 91097971 × 2000 giving us 182195942000
+ 91097971 × 40000 that is equal 3643918840000
+ 91097971 × 800000 that is equal 72878376800000
+ 91097971 × 0000000 yielding 0
+ 91097971 × 10000000 that results in 910979710000000

= 987769287086914
