John is performing in 3 plays.  Each play has 5 Acts.  He wears 2 wigs per act.  Each wig cost $5.  He drops one of the plays and sells all of the wigs for that play for $4.  How much money did he spend?
He used 5*2=
<gadget id="calculator">5*2</gadget>
<output>10</output>
10 wigs per play.
So in total, he used 10*3=
<gadget id="calculator">10*3</gadget>
<output>30</output>
30 wigs.
They cost 30*5=$
<gadget id="calculator">30*5</gadget>
<output>150</output>
150.
He gets back 10*4=$
<gadget id="calculator">10*4</gadget>
<output>40</output>
40 from selling the wigs.
So he spent 150-40=$
<gadget id="calculator">150-40</gadget>
<output>110</output>
110.

<result>110</result>