There is a piece of wood that is 20 meters long. First, the 2-meter-long damaged part is sawn off, and then the remaining wood is sawed into strips of the same length, and then sawed 5 times. How many meters is each short strip?
有一根木料长20米，先锯下2米长的损坏部分，然后把剩下的木料锯成一样长的木条，又锯了5次，每根短木条长多少米？
<gadget id="calculator">20 - 2</gadget>
<output>18</output>

<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<gadget id="calculator">18 / 6</gadget>
<output>3</output>

<result>3</result>