No problem, we've got 10000 and 8945 to multiply
10000 × 8945 = 8945 × (10000)
+ 8945 × 0 which equals 0
+ 8945 × 00 which equals 0
+ 8945 × 000 what gives us 0
+ 8945 × 0000 what gives us 0
+ 8945 × 10000 giving us 89450000

= 89450000
