There are ten consecutive natural numbers, the sum of the first five numbers is 60, what is the sum of the last five numbers.
有十个连续自然数，前五个数的和为60，后五个数的和是多少．
<gadget id="calculator">15 + 16 + 17 + 18 + 19</gadget>
<output>85</output>

<result>85</result>