Alright, let's work through 76231869 times 66846621 step by step
76231869 × 66846621 = 66846621 × (76231869)
+ 66846621 × 9 that results in 601619589
+ 66846621 × 60 that equals 4010797260
+ 66846621 × 800 that equals 53477296800
+ 66846621 × 1000 that is equal 66846621000
+ 66846621 × 30000 that is equal 2005398630000
+ 66846621 × 200000 yielding 13369324200000
+ 66846621 × 6000000 which equals 401079726000000
+ 66846621 × 70000000 producing 4679263470000000

= 5095842855164649
