There is a 5.6-meter-long piece of wood. If it takes 30 minutes to saw a piece of wood with a length of 0.8 meters, how many minutes will it take to saw a piece of wood with a length of 0.7 meters?
有一条5.6米长的木料，如锯成每段长为0.8米的短木料，需要30分钟，那么锯成每段长为0.7米的短木料需要多少分钟．
<gadget id="calculator">5.6 / 0.8</gadget>
<output>7</output>

<gadget id="calculator">7 - 1</gadget>
<output>6</output>

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

<gadget id="calculator">5.6 / 0.7</gadget>
<output>8</output>

<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<gadget id="calculator">5 * 7</gadget>
<output>35</output>

<result>35</result>