The sum of ten consecutive natural numbers is not greater than 100. What is the largest sum of these ten numbers?
十个连续自然数的和不大于100，这十个数的和最大是多少．
<gadget id="calculator">10 * 5</gadget>
<output>50</output>

<gadget id="calculator">50 + 45</gadget>
<output>95</output>

<result>95</result>