1.0204^12.1666

This would be a good one to do on a calculator. Here's what the website's calculator says:

$${{\mathtt{1.020\: \!4}}}^{\left({\mathtt{12.166\: \!6}}\right)} = {\mathtt{1.278\: \!517\: \!144\: \!686\: \!032\: \!8}}$$