A piece of wood is sawed 8 times every 3 meters. How many meters is the length of this piece of wood?
一段木料，每3米锯段，一共锯了8次，这段木料长多少米．
<gadget id="calculator">8 + 1</gadget>
<output>9</output>

<gadget id="calculator">3 * 9</gadget>
<output>27</output>

<result>27</result>