a man is a guest to a monks dinner then a monk atands up and say 32
all the other monks laugh
the next monk stands up and says 21
all the other monks laugh again
confused the guest asks what going on, a monk says "cos we have so much free time, we know every joke there is to know and we number them to save time"
the man asks for a go and say 191
everyones hysterical. the man says to the monk sitting next to him "that must be a really good joke"
the monk replies, "yeah weve never heard that one"