Building A has 4 floors, which is 9 less than Building B. Building C has six less than five times as many floors as Building B. How many floors does Building C have?
A = 
<gadget id="calculator">4</gadget>
<output>4</output>
4 floors.
B = 4 + 9 = 
<gadget id="calculator">4+9</gadget>
<output>13</output>
13 floors.
C = (13 * 5) - 6 = 
<gadget id="calculator">13*5-6</gadget>
<output>59</output>
59 floors.
Building C has 59 floors.

<result>59</result>