Alright, let's work through 7978 times 197 step by step
7978 × 197 = 197 × (7978)
+ 197 × 8 which equals 1576
+ 197 × 70 that results in 13790
+ 197 × 900 that equals 177300
+ 197 × 7000 yielding 1379000

= 1571666
