There are 39 story books, and the number of comic books is three times that of story books. How many comic books and story books are there?
故事书有39本，连环画的本数是故事书的3倍，连环画和故事书共有多少本？
<gadget id="calculator">39 * 3</gadget>
<output>117</output>

<gadget id="calculator">39 + 117</gadget>
<output>156</output>

<result>156</result>