No problem, we've got 2392 and 4155 to multiply
2392 × 4155 = 4155 × (2392)
+ 4155 × 2 that equals 8310
+ 4155 × 90 resulting in 373950
+ 4155 × 300 yielding 1246500
+ 4155 × 2000 yielding 8310000

= 9938760
