Marissa's sunflower is  21 inches taller than her little sister. If her sister is 4 feet 3 inches tall, how tall is Marissa's sunflower in feet?
Since 1 foot is equal to 12 inches, then 4 feet is equal to 4 x 12 = 
<gadget id="calculator">4*12</gadget>
<output>48</output>
48 inches.
So, Marissa's sister is 48 + 3 = 
<gadget id="calculator">48+3</gadget>
<output>51</output>
51 inches tall.
The sunflower is 51 + 21 = 
<gadget id="calculator">51+21</gadget>
<output>72</output>
72 inches tall.
Therefore, the sunflower is 72/12 = 
<gadget id="calculator">72/12</gadget>
<output>6</output>
6 feet tall.

<result>6</result>