(πx7) mulitplied by (π^7) = what exact expression
\(\pi\,*\,7\,*\,\pi^7 \\~\\ =\pi\,*\,7\,*\,\pi\,*\,\pi\,*\,\pi\,*\,\pi\,*\,\pi\,*\,\pi\,*\,\pi \\~\\ =7\,*\,\pi^8 \\~\\ =7\pi^8 \)