Alright, let's work through 1975 times 8739 step by step
1975 × 8739 = 8739 × (1975)
+ 8739 × 5 that results in 43695
+ 8739 × 70 yielding 611730
+ 8739 × 900 that results in 7865100
+ 8739 × 1000 what gives us 8739000

= 17259525
