A 12-meter-long piece of wood is sawn 4 times, each section is equal in length, how many meters is each section?
一根12米长的木头，锯了4次，每段长度相等，每段长多少米．
<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">12 / 5</gadget>
<output>12/5 = around 2.4</output>

<result>12/5 = around 2.4</result>