At the risk of looking seriously old, here’s something found on a paper tape bearing the title “Ian’s First Programme” …

BEGIN INTEGER A,B,C,D,E,F,G,ANS'
READ A,B,C,D,E,F,G'
ANS:=(A+B+C+D+E+F+G)/7'
PRINT ANS'
END'

Can you identify the language and the computer it ran on?