What am I going to be doing with this?
Hint:
You don’t need a hint, look at the title
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Crunch some numbers.
Explanation
The numbers are printed on top of a cereal that looks like Cap'n Crunch's Peanut Butter Crunch.
Title
You use a calculator to crunch numbers i.e. do some calculations.
knowledge
tag with regards to the explanation section. Apart from that, nice puzzle! DVL19 $\color{darkorange}{\bigstar}$ :D
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