### CONTEXT (Previous Events):
<system_output timestamp="40578.843546">[K</system_output>
<user_input timestamp="40579.003747"></user_input>
<system_output timestamp="40579.008128">[K</system_output>
<user_input timestamp="40579.1904"></user_input>
<system_output timestamp="40579.194093">[K</system_output>
<user_input timestamp="40579.394674"></user_input>
<system_output timestamp="40579.398869">[K</system_output>
<user_input timestamp="40579.579438"></user_input>
<system_output timestamp="40579.601282">[K</system_output>
<user_input timestamp="40579.786015"></user_input>
<system_output timestamp="40579.806136">[K</system_output>
<user_input timestamp="40579.994441"></user_input>
<system_output timestamp="40580.009829">[K</system_output>
<user_input timestamp="40580.179692"></user_input>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="40580.191703">[K</system_output>

Answer: 40580.191703, old event