Alright, let's work through 3979 times 4731 step by step
3979 × 4731 = 4731 × (3979)
+ 4731 × 9 that equals 42579
+ 4731 × 70 that is equal 331170
+ 4731 × 900 that equals 4257900
+ 4731 × 3000 that equals 14193000

= 18824649
