A whisper has a rating of 30 decibels. A normal conversation has a rating of about 64 decibels. How many times stronger is a normal conversation than a whisper?

Use the formula $\displaystyle{d}={10}{\log{{\left(\frac{{P}}{{P}_{{0}}}\right)}}}\usepackage{cmbright}\Huge\$ to find the answer to the nearest hundredth.

A normal conversation is about _____ times as strong as a whisper.