No problem, we've got 1338 and 3578 to multiply
1338 × 3578 = 3578 × (1338)
+ 3578 × 8 which equals 28624
+ 3578 × 30 which equals 107340
+ 3578 × 300 yielding 1073400
+ 3578 × 1000 that equals 3578000

= 4787364
