Alexis can sew a skirt in 2 hours and a coat in 7 hours. How long does it take for Alexis to sew 6 skirts and 4 coats?
It takes Alexis 2 x 6 = 
<gadget id="calculator">2*6</gadget>
<output>12</output>
12 hours to sew 6 skirts.
It takes Alexis another 7 x 4 = 
<gadget id="calculator">7*4</gadget>
<output>28</output>
28 hours to sew 4 coats.
In total it takes Alexis 12 + 28 = 
<gadget id="calculator">12+28</gadget>
<output>40</output>
40 hours to sew 6 skirts and 4 coats.

<result>40</result>