No problem, we've got 4526 and 8870 to multiply
4526 × 8870 = 8870 × (4526)
+ 8870 × 6 what gives us 53220
+ 8870 × 20 resulting in 177400
+ 8870 × 500 producing 4435000
+ 8870 × 4000 producing 35480000

= 40145620
