The sum of three consecutive natural numbers is 372. What is the smallest number among these three numbers?
三个连续的自然数的和是372，这三个数中最小的数是多少．
<gadget id="calculator">372 / 3</gadget>
<output>124</output>

<gadget id="calculator">124 - 1</gadget>
<output>123</output>

<result>123</result>