Add 6 to a number, multiply by 6, subtract 6, and divide by 6. The resulting quotient is still 6, so what is this number?
有一个数加上6，然后乘6，再减去6，最后除以6．所得的商还是6，那么这个数是几？
<gadget id="calculator">6 * 6</gadget>
<output>36</output>

<gadget id="calculator">36 + 6</gadget>
<output>42</output>

<gadget id="calculator">42 / 6</gadget>
<output>7</output>

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

<result>1</result>