Lynne bought 7 books about cats and 2 books about the solar system. She also bought 3 magazines. Each book cost 7$ and each magazine cost $4. How much did Lynne spend in all?
Lynne bought a total of 7 + 2 = 
<gadget id="calculator">7+2</gadget>
<output>9</output>
9 books.
The books cost Lynne 9 x 7 = $
<gadget id="calculator">9*7</gadget>
<output>63</output>
63.
For 3 magazines, Lynne spent 3 x 4 = $
<gadget id="calculator">3*4</gadget>
<output>12</output>
12.
In total, Lynne spent 63 + 12 = 
<gadget id="calculator">63+12</gadget>
<output>75</output>
75$

<result>75</result>