Alright, let's work through 7739 times 4860 step by step
7739 × 4860 = 4860 × (7739)
+ 4860 × 9 that results in 43740
+ 4860 × 30 yielding 145800
+ 4860 × 700 that is equal 3402000
+ 4860 × 7000 that is equal 34020000

= 37611540
