Xiao Ming's weight is 45 kg, and his weight is lighter than that of his father (5/14). How many kilograms does his father weigh?
小明的体重是45千克，他的体重比爸爸的体重轻(5/14)，爸爸的体重是多少千克？
<gadget id="calculator">5 / 14</gadget>
<output>5/14 = around 0.357143</output>

<gadget id="calculator">1 - (5/14)</gadget>
<output>9/14 = around 0.642857</output>

<gadget id="calculator">45 / (9/14)</gadget>
<output>70</output>

<result>70</result>