Xiao Min's weight is 27 kg, her mother's weight is twice that of Xiao Min's, and her father's weight is 5 kg less than three times that of Xiao Min's. How many kilograms do father and mother weigh?
小敏的体重是27千克，妈妈的体重是小敏的2倍，爸爸的体重比小敏的3倍少5千克．爸爸、妈妈各重多少千克？
<gadget id="calculator">27 * 3</gadget>
<output>81</output>

<gadget id="calculator">81 - 5</gadget>
<output>76</output>

<result>76</result>