No problem, we've got 7870 and 8233 to multiply
7870 × 8233 = 8233 × (7870)
+ 8233 × 0 which equals 0
+ 8233 × 70 that is equal 576310
+ 8233 × 800 giving us 6586400
+ 8233 × 7000 which equals 57631000

= 64793710
