A piece of wood with uniform thickness is 48 decimeters long, and it needs to be sawed into sticks with a length of 4 decimeters. It takes 3 minutes to saw each time and rest for 2 minutes after each sawing. How many minutes will it take to saw all the pieces?
一根粗细均匀的木头长48分米，要锯成4分米的长的木棍，每锯一次要3分钟，锯完一次要休息2分钟，全部锯完要用多少分钟？
<gadget id="calculator">48 / 4</gadget>
<output>12</output>

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

<gadget id="calculator">3 * 11</gadget>
<output>33</output>

<gadget id="calculator">11 - 1</gadget>
<output>10</output>

<gadget id="calculator">2 * 10</gadget>
<output>20</output>

<gadget id="calculator">33 + 20</gadget>
<output>53</output>

<result>53</result>