How would you do 305 times 144?

Answer 1

I would do it as follows:305 * 144 = (300*144) + (5*144) = 100*(3*144) + 10*(144/2) [because 5 = 10/2]= 100*(432) + 10*72 = 43200 + 720 = 43920.

Answer 2

305 x 144 = 43920