The weight of mother is 0.64 times that of father, and the weight of Xiaohong is 0.75 times that of mother. The weight of mother is 54.4 kg. How many kilograms are the total weight of father and Xiaohong?
妈妈的体重是爸爸的0.64倍，小红的体重是妈妈的0.75倍，妈妈重54.4千克，爸爸和小红的体重合计重多少千克？
<gadget id="calculator">54.4 / 0.64</gadget>
<output>85</output>

<gadget id="calculator">54.4 * 0.75</gadget>
<output>40.8</output>

<gadget id="calculator">85 + 40.8</gadget>
<output>125.8</output>

<result>125.8</result>