We're going to solve 9945 multiplied by 3978
9945 × 3978 = 3978 × (9945)
+ 3978 × 5 that equals 19890
+ 3978 × 40 which equals 159120
+ 3978 × 900 that is equal 3580200
+ 3978 × 9000 that results in 35802000

= 39561210
