How much is one and a half times one and a third times one and a quarter times one and a fifth until one and a hundredth?

How much is one and a half times one and a third times one and a quarter times one and a fifth until one and a hundredth?

One and a half by one and a third by one and a quarter by one and a fifth until one and a hundredth
=3/2x4/3x5/4x6/5...101/100
=101/2
=50.5