The sum of 3 consecutive natural numbers is 36, what is the largest number among these 3 numbers?
3个连续自然数的和是36，那么这3个数中最大的一个数是多少．
<gadget id="calculator">36 / 3</gadget>
<output>12</output>

<gadget id="calculator">12 + 1</gadget>
<output>13</output>

<result>13</result>