3 consecutive natural numbers, the difference between the product of the last two numbers and the product of the first two numbers is 264, then what is the smallest of these 3 numbers?
3个连续自然数，后面两个数的积与前面两个数的积的差是264，那么这3个数中最小的是多少．
<gadget id="calculator">132 - 1</gadget>
<output>131</output>

<result>131</result>