Xiaoming has 40 books, Xiaohong has 5 books less than Xiaoming's three times, how many books does Xiaohong have?
小明有40本书，小红的本数比小明的3倍少5本，小红有多少本书？
<gadget id="calculator">40 * 3</gadget>
<output>120</output>

<gadget id="calculator">120 - 5</gadget>
<output>115</output>

<result>115</result>