Alright, let's work through 85134850 times 56130325 step by step
85134850 × 56130325 = 56130325 × (85134850)
+ 56130325 × 0 that equals 0
+ 56130325 × 50 giving us 2806516250
+ 56130325 × 800 that equals 44904260000
+ 56130325 × 4000 that is equal 224521300000
+ 56130325 × 30000 that is equal 1683909750000
+ 56130325 × 100000 that is equal 5613032500000
+ 56130325 × 5000000 producing 280651625000000
+ 56130325 × 80000000 producing 4490426000000000

= 4778646799326250
