Alright, let's work through 85124007 times 55667043 step by step
85124007 × 55667043 = 55667043 × (85124007)
+ 55667043 × 7 producing 389669301
+ 55667043 × 00 giving us 0
+ 55667043 × 000 yielding 0
+ 55667043 × 4000 giving us 222668172000
+ 55667043 × 20000 which equals 1113340860000
+ 55667043 × 100000 resulting in 5566704300000
+ 55667043 × 5000000 that results in 278335215000000
+ 55667043 × 80000000 that equals 4453363440000000

= 4738601758001301
