No problem, we've got 3935 and 5216 to multiply
3935 × 5216 = 5216 × (3935)
+ 5216 × 5 resulting in 26080
+ 5216 × 30 that results in 156480
+ 5216 × 900 that is equal 4694400
+ 5216 × 3000 what gives us 15648000

= 20524960
