Susan loves chairs. In her house there are red chairs, yellow chairs, and blue chairs. There are 5 red chairs. There are 4 times as many yellow chairs as red chairs, and there are 2 fewer blue chairs than yellow chairs. How many chairs are there in Susan's house?
The number of yellow chairs is 5 chairs * 4 = 
<gadget id="calculator">5*4</gadget>
<output>20</output>
20 chairs.
The number of blue chairs is 20 chairs - 2 chairs = 
<gadget id="calculator">20-2</gadget>
<output>18</output>
18 chairs.
There are 5 chairs + 20 chairs + 18 chairs = 
<gadget id="calculator">5+20+18</gadget>
<output>43</output>
43 chairs in Susan's house.

<result>43</result>