The table below shows the flight information of a few flights on a certain day from Hong Kong to Singapore. <br> Mr Lin took a morning flight to Hong Kong for a meeting and reached its airport at 8.45 a.m. He intends to take the flight JKL 23 to return to Singapore at night. How long is his stayingHong Kong? <br> His stay in Hong Kong is <input min="0" type="number" id ="imp3pg210q10_1" class="lineinput" placeholder="?" /> h <input min="0" type="number" id ="imp3pg210q10_2" class="lineinput" placeholder="?" /> min long.