Alright, let's work through 7709 times 1802 step by step
7709 × 1802 = 1802 × (7709)
+ 1802 × 9 that results in 16218
+ 1802 × 00 that is equal 0
+ 1802 × 700 what gives us 1261400
+ 1802 × 7000 that results in 12614000

= 13891618
