Jonathan ran 7.5 kilometers. Mercedes ran twice that distance and Davonte ran 2 kilometers farther than Mercedes. How many kilometers did Mercedes and Davonte run in total?
Mercedes = 2 * 7.5 = 
<gadget id="calculator">2*7.5</gadget>
<output>15</output>
15 km.
Davonte = 15 + 2 = 
<gadget id="calculator">15+2</gadget>
<output>17</output>
17 km
15 + 17 = 
<gadget id="calculator">15+17</gadget>
<output>32</output>
32 km.
Mercedes and Davonte ran 32 km in total.

<result>32</result>