Liangliang's weight is 32 kg, and her mother's weight is 7 kg less than double Liangliang's. How many kilograms does the mother weigh?
亮亮的体重是32千克，妈妈的体重比亮亮的2倍少7千克．妈妈的体重是多少千克？
<gadget id="calculator">32 * 2</gadget>
<output>64</output>

<gadget id="calculator">64 - 7</gadget>
<output>57</output>

<result>57</result>