Evaluate P115 and C98.(If necessary, consult a list of formulas.)=P115 =C98

It seems like you're asking for help with some mathematical notation, but your question is a bit unclear.

In mathematics, P and C usually stand for Permutation and Combination respectively. However, the numbers you've provided (115 and 98) are quite large for these operations, and it's unusual to see them used in this context.

If P115 and C98 are variables in an equation, then to evaluate them, we would need to know their values.

If you could provide more context or clarify what you're asking for, I'd be happy to help further!