How do you make Ore Values? like when your ore htis the furnace it gives you cash?

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here the code for Dropper

https://gyazo.com/ff709b19d16b312c972ca64840c1e0b6

this is for the furnace:

https://gyazo.com/1f16490cca080865f283927554fbd859 ||||||| https://gyazo.com/1417d49a0d51f5d74bc83a43584936b2

he mean like a game like miner haven but he keep alway get cash from his by no where and the furnace + the dropper when give him money