A 4-meter-long piece of wood needs to be sawed into a 50-centimeter stake, how many times does it need to be sawed?
一根4米长的木材，现在要把它锯成50厘米的木桩，需要锯几次？
<gadget id="calculator">100 / 50</gadget>
<output>2</output>

<gadget id="calculator">4 * 2</gadget>
<output>8</output>

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

<result>7</result>