Marta was about to start the school year and needed to buy the necessary textbooks. She managed to buy five on sale, for $10 each. She had to order two textbooks online, which cost her a total of $40, and three she bought directly from the bookstore for a total of three times the cost of the online ordered books. How much in total did Martha spend on textbooks?
Marta bought five textbooks on sale, for a total of 5 * 10 = $
<gadget id="calculator">5*10</gadget>
<output>50</output>
50.
Three textbooks from the bookstore had a cost of 3 * 40 = $
<gadget id="calculator">3*40</gadget>
<output>120</output>
120.
That means that Marta spent in total 50 + 40 + 120 = $
<gadget id="calculator">50+40+120</gadget>
<output>210</output>
210 on textbooks.

<result>210</result>