No problem, we've got 5821 and 7852 to multiply
5821 × 7852 = 7852 × (5821)
+ 7852 × 1 that results in 7852
+ 7852 × 20 which equals 157040
+ 7852 × 800 that equals 6281600
+ 7852 × 5000 that equals 39260000

= 45706492
