No problem, we've got 4158 and 9615 to multiply
4158 × 9615 = 9615 × (4158)
+ 9615 × 8 which equals 76920
+ 9615 × 50 resulting in 480750
+ 9615 × 100 that equals 961500
+ 9615 × 4000 what gives us 38460000

= 39979170
