No problem, we've got 5806 and 7837 to multiply
5806 × 7837 = 7837 × (5806)
+ 7837 × 6 what gives us 47022
+ 7837 × 00 that equals 0
+ 7837 × 800 giving us 6269600
+ 7837 × 5000 yielding 39185000

= 45501622
