If the sum of three consecutive natural numbers is 45, what is the sum of the three consecutive natural numbers immediately following them?
如果三个连续自然数的和是45，那么紧接它们后面的三个连续自然数的和是多少．
<gadget id="calculator">45 / 3</gadget>
<output>15</output>

<gadget id="calculator">15 + 3</gadget>
<output>18</output>

<gadget id="calculator">18 * 3</gadget>
<output>54</output>

<result>54</result>