calc

function RectArea(length, width)
 area = length * width
print(area)
end

function SumOut(length, width)
sum = length + width
print(sum)
end


function RectPerimeter(length, width)

perimeter = 2* length + width * 2
print(perimeter)
end

q = 0

while(q ~= "q" ) do

print("what is length?")
storeLength =tonumber(read())
print("what is width?")
storeWidth =tonumber(read())

print("q to exit")
q = read()

print("area")
RectArea(storeLength, storeWidth)


print("perimeter")
RectPerimeter(storeLength, storeWidth)

print("sum")
SumOut(storeLength,storeWidth)



end