This is something I always find difficult with German. "gleich" can mean "equal", "the same as" or even "like" as in "I have one like this". This explains it brilliantly: https://yourdailygerman.com/meaning-gleich/
Your Daily German — The place for all who want to learn German... · The 2 meanings of German "gleich" (With Audio Examples)A fun look at the meanings of "gleich" and why it's "equal" and "immediately" at the same time.
