The flowers cost $9, the clay pot costs $20 more than the flower, and the bag of soil costs $2 less than the flower.  How much does it cost to plant the flowers?
The clay pot costs $20 + $9 = $
<gadget id="calculator">20+9</gadget>
<output>29</output>
29.
The bag of soil costs $9 - $2 = $
<gadget id="calculator">9-2</gadget>
<output>7</output>
7.
The cost to plant the flowers is $9 + $29 + $7 = $
<gadget id="calculator">9+29+7</gadget>
<output>45</output>
45.

<result>45</result>