Alisa biked 12 miles per hour for 4.5 hours. Stanley biked at 10 miles per hour for 2.5 hours. How many miles did Alisa and Stanley bike in total?
Alisa = 12 * 4.5 = 
<gadget id="calculator">12*4.5</gadget>
<output>54</output>
54 miles.
Stanley = 10 * 2.5 = 
<gadget id="calculator">10*2.5</gadget>
<output>25</output>
25 miles
54 + 25 = 
<gadget id="calculator">54+25</gadget>
<output>79</output>
79 miles.
Together, Alisa and Stanley biked for 79 miles.

<result>79</result>