Xiao Ming's weight is 38 kg, and his father's weight is 1.9 times his weight. How much is his father's weight in kilograms?
小明体重38千克，爸爸的体重是他的1.9倍，爸爸的体重是多少千克？
<gadget id="calculator">38 * 1.9</gadget>
<output>72.2</output>

<result>72.2</result>