The younger brother weighs 36 kilograms, and the older brother's weight is 5 kilograms less than twice that of the younger brother. How much does the older brother weigh?
弟弟体重36千克，哥哥的体重比弟弟的2倍少5千克，哥哥有多重？
<gadget id="calculator">36 * 2</gadget>
<output>72</output>

<gadget id="calculator">72 + 5</gadget>
<output>77</output>

<result>77</result>