Alright, let's work through 86343704 times 42099848 step by step
86343704 × 42099848 = 42099848 × (86343704)
+ 42099848 × 4 yielding 168399392
+ 42099848 × 00 that is equal 0
+ 42099848 × 700 that results in 29469893600
+ 42099848 × 3000 that is equal 126299544000
+ 42099848 × 40000 resulting in 1683993920000
+ 42099848 × 300000 what gives us 12629954400000
+ 42099848 × 6000000 yielding 252599088000000
+ 42099848 × 80000000 that is equal 3367987840000000

= 3635056814156992
