\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Let \( P(G) = 0.6 \) and \( P(H) = 0.2 \). Assume that events \( G \) and \( H \) are mutually exclusive.
Calculate \( P(G \text{ or } H) \).
\( P(G \text{ or } H) = \)