(1+1/5)x(1+1/6)x...x(1+1/20)=?

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(1+1/5)x(1+1/6)x...x(1+1/20)=?(1+1/5)x(1+1/6)x...x(1+1/20)=?(1+1/5)x(1+1/6)x...x(1+1/20)=?21/5(1+1/5

(1+1/5)x(1+1/6)x...x(1+1/20)=?
(1+1/5)x(1+1/6)x...x(1+1/20)=?

(1+1/5)x(1+1/6)x...x(1+1/20)=?
21/5
(1+1/5)x(1+1/6)x...x(1+1/20)=6/5x7/6x...x20/19x21/20=21/5

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