A piece of wood with a length of 240 cm is now to be sawed into 6 small sections, each sawing takes 3 minutes, and a 2-minute rest after sawing a section, how many minutes will it take to saw all of them?
一根长240厘米的木头，现在要把它锯成6小段，每锯一次要3分钟，锯完一段后休息2分钟，则全部锯完要多少分钟？
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<gadget id="calculator">6 - 1 - 1</gadget>
<output>4</output>

<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">15 + 8</gadget>
<output>23</output>

<result>23</result>