Xiao Ming's father was born on February 10, 1970. How old will he be on February 10 this year?
小明爸爸是1970年2月10日出生的，到今年的2月10日正好是多少周岁．
<gadget id="calculator">2_014 - 1_970</gadget>
<output>44</output>

<result>44</result>