No problem, we've got 5329 and 7858 to multiply
5329 × 7858 = 7858 × (5329)
+ 7858 × 9 which equals 70722
+ 7858 × 20 which equals 157160
+ 7858 × 300 that equals 2357400
+ 7858 × 5000 what gives us 39290000

= 41875282
