No problem, we've got 2445 and 312 to multiply
2445 × 312 = 312 × (2445)
+ 312 × 5 yielding 1560
+ 312 × 40 that results in 12480
+ 312 × 400 what gives us 124800
+ 312 × 2000 what gives us 624000

= 762840
