There are 45 basketballs in the school sports room, and three times as many table tennis balls as there are basketballs. How many basketballs and table tennis balls are there in total?
学校体育室有篮球45个，乒乓球的只数是篮球的3倍，篮球和乒乓球共有多少个？
<gadget id="calculator">45 * 3</gadget>
<output>135</output>

<gadget id="calculator">135 + 45</gadget>
<output>180</output>

<result>180</result>