The sum of five consecutive natural numbers is 355, what is the largest number among these five numbers?
五个连续自然数的和是355，这五个数中最大的数是多少．
<gadget id="calculator">355 / 5</gadget>
<output>71</output>

<gadget id="calculator">71 + 1 + 1</gadget>
<output>73</output>

<result>73</result>