Xiaohong's weight is 28.6 kilograms, and her father's weight is 1.8 kilograms more than 2.5 times that of Xiaohong. How many kilograms does her father weigh?
小红的体重是28.6千克，爸爸的体重比小红的2.5倍还多1.8千克，爸爸的体重是多少千克？
<gadget id="calculator">28.6 * 2.5</gadget>
<output>71.5</output>

<gadget id="calculator">71.5 + 1.8</gadget>
<output>73.3</output>

<result>73.3</result>