There were originally 66 fruit trees in Xiao Ming's house, but today he planted 3 rows of fruit trees, each with 15 trees. How many fruit trees does Xiao Ming's family have now?
小明家原来有66棵果树，今天又栽了3行果树，每行15棵．小明家现在一共有多少棵果树？
<gadget id="calculator">15 * 3</gadget>
<output>45</output>

<gadget id="calculator">66 + 45</gadget>
<output>111</output>

<result>111</result>