Tim gets a manicure and tips the beautician 30%.  If the manicure cost $30 how much did he pay in total?
He gave a tip of 30*.3=$
<gadget id="calculator">30*.3</gadget>
<output>9</output>
9.
So in total he paid 30+9=$
<gadget id="calculator">30+9</gadget>
<output>39</output>
39.

<result>39</result>