Alright, let's work through 1888 times 9720 step by step
1888 × 9720 = 9720 × (1888)
+ 9720 × 8 giving us 77760
+ 9720 × 80 that is equal 777600
+ 9720 × 800 that equals 7776000
+ 9720 × 1000 yielding 9720000

= 18351360
