Alright, let's work through 1215 times 1928 step by step
1215 × 1928 = 1928 × (1215)
+ 1928 × 5 yielding 9640
+ 1928 × 10 resulting in 19280
+ 1928 × 200 that equals 385600
+ 1928 × 1000 yielding 1928000

= 2342520
