There is a playground that is surrounded by a square fence that has a side length of 27 yards. There is a 12 yard by 9 yard garden that has fencing around it. How many yards of fencing do the playground and garden have together?
27 * 4 = 
<gadget id="calculator">27*4</gadget>
<output>108</output>
108 yards
2 * (12 + 9) = 
<gadget id="calculator">2*(12+9)</gadget>
<output>42</output>
42 yards
108 + 42 = 
<gadget id="calculator">108+42</gadget>
<output>150</output>
150 yards.
The playground and garden have a combined fence length of 150 yards.

<result>150</result>