Rebecca runs a hair salon. She charges $30 for haircuts, $40 for perms, and $60 for dye jobs, but she has to buy a box of hair dye for $10 to dye every head of hair. Today, she has four haircuts, one perm, and two dye jobs scheduled. If she makes $50 in tips, how much money will she have in dollars at the end of the day?
Rebecca will make 30 * 4 = $
<gadget id="calculator">30*4</gadget>
<output>120</output>
120 from haircuts today.
She will make 60 * 2 = $
<gadget id="calculator">60*2</gadget>
<output>120</output>
120 from dye jobs.
She will spend 10 * 2 = $
<gadget id="calculator">10*2</gadget>
<output>20</output>
20 on hair dye.
With the $40 perm and tips, at the end of the day, Rebecca will have 120 + 120 + 40 - 20 + 50 = $
<gadget id="calculator">120+120+40-20+50</gadget>
<output>310</output>
310.

<result>310</result>