The sum of three consecutive even numbers is 174, what is the smallest of the three even numbers?
三个连续偶数的和是174，这三个偶数中最小的那个数是多少
<gadget id="calculator">174 / 3</gadget>
<output>58</output>

<gadget id="calculator">58 - 2</gadget>
<output>56</output>

<result>56</result>