It takes an average of 30 minutes to cut a 36 decimeter long log into 6 pieces. If the wood is sawed for 48 minutes, how long is each piece of wood on average?
把一根36分米长的木头平均截成6段需要30分钟，如果这根木头锯了48分钟，那平均每根木料有多长？
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">30 / 5</gadget>
<output>6</output>

<gadget id="calculator">48 / 6</gadget>
<output>8</output>

<gadget id="calculator">8 + 1</gadget>
<output>9</output>

<gadget id="calculator">36 / 9</gadget>
<output>4</output>

<result>4</result>