Alright, let's work through 31989249 times 62063988 step by step
31989249 × 62063988 = 62063988 × (31989249)
+ 62063988 × 9 that is equal 558575892
+ 62063988 × 40 producing 2482559520
+ 62063988 × 200 yielding 12412797600
+ 62063988 × 9000 producing 558575892000
+ 62063988 × 80000 that results in 4965119040000
+ 62063988 × 900000 producing 55857589200000
+ 62063988 × 1000000 which equals 62063988000000
+ 62063988 × 30000000 what gives us 1861919640000000

= 1985380366065012
