200k at that rate, or 200k total? I've produced 240k plates total this map.

Thank you for your help!

How do I maths? I thought for sure that 4.9k iron plates per minute would equal well over 130k plates per hour, but there has to be something weird going on. Can someone please shed some light on what I am doing wrong? I am playing version 0.13.15, and I sustained this production for well over 10 mi...