Kate's hair is half as long as Emily's hair. Emily’s hair is 6 inches longer than Logan's hair. If Logan hair is 20 inches, how many inches is Kate’s hair?
Emily's hair is 20-6 = 
<gadget id="calculator">20-6</gadget>
<output>14</output>
14 inches long.
Kate's hair 14/2= 
<gadget id="calculator">14/2</gadget>
<output>7</output>
7 inches long.

<result>7</result>