Alright, let's work through 86964428 times 23692699 step by step
86964428 × 23692699 = 23692699 × (86964428)
+ 23692699 × 8 giving us 189541592
+ 23692699 × 20 producing 473853980
+ 23692699 × 400 which equals 9477079600
+ 23692699 × 4000 what gives us 94770796000
+ 23692699 × 60000 yielding 1421561940000
+ 23692699 × 900000 yielding 21323429100000
+ 23692699 × 6000000 yielding 142156194000000
+ 23692699 × 80000000 that equals 1895415920000000

= 2060422016311172
