A steel pipe is 8 meters long. If Uncle Li wants to saw it into 1-meter pieces, how many times does he need to saw it?
一根钢管长8米，李叔叔想把它锯成长为1米的小段，需要锯多少次．
<gadget id="calculator">8 / 1</gadget>
<output>8</output>

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

<result>7</result>