The sum of two consecutive natural numbers multiplied by their difference, the product is 111, what is the smaller of the two natural numbers:
两个连续自然数的和乘它们的差，积是111，这两个自然数中较小的一个是多少：
<gadget id="calculator">111 + 1</gadget>
<output>112</output>

<gadget id="calculator">112 / 2</gadget>
<output>56</output>

<gadget id="calculator">56 - 1</gadget>
<output>55</output>

<result>55</result>