Andy left his home at 6.30 a.m.<br>He walked leisurely to his school at a speed of 40 $$m/min$$.<br>His father discovered that Andy had forgotten to bring his thermometer and rushed out of the house at 6.36 a.m.<br>He finally caught up with Andy at 6.46 a.m.<hr> How far was Andy from his home when his father caught up with him? <br> <input min="0" type="number" id ="imp6pg167q6a_1" class="lineinput" placeholder="?" /> $$m$$