Alright, let's work through 7154 times 172 step by step
7154 × 172 = 172 × (7154)
+ 172 × 4 giving us 688
+ 172 × 50 resulting in 8600
+ 172 × 100 what gives us 17200
+ 172 × 7000 giving us 1204000

= 1230488
