Lara bought 52 stems of flowers at the flower shop. She gave 15 flowers to her mom and gave 6 more flowers than she gave to her mom to her grandma. She put the rest in a vase. How many stems of flowers did Lara put in the vase?
Lara gave 15 + 6 = 
<gadget id="calculator">15+6</gadget>
<output>21</output>
21 stems of flowers to her grandma.
She gave away 21 + 15 = 
<gadget id="calculator">21+15</gadget>
<output>36</output>
36 stems of flowers.
Therefore, Lara put 52 - 36 = 
<gadget id="calculator">52-36</gadget>
<output>16</output>
16 stems of flowers in the vase.

<result>16</result>