There are 12 pots of flowers on the aisle in front of Master Zhang's house. The width of each flower pot is 0.4 meters, and the distance between two adjacent pots of flowers is 3.2 meters. How many meters is the walkway? (Place flower pots at both ends of the aisle)
张师傅的房前的走道边摆了12盆花，每个花盆的宽度是0.4米，每相邻两盆花之间的距离是3.2米．走道长多少米？(走道的两端都放花盆)
<gadget id="calculator">0.4 * 12</gadget>
<output>4.8</output>

<gadget id="calculator">12 - 1</gadget>
<output>11</output>

<gadget id="calculator">11 * 3.2</gadget>
<output>35.2</output>

<gadget id="calculator">4.8 + 35.2</gadget>
<output>40</output>

<result>40</result>