A total of 19 willow trees have been planted on the campus of Yulin Primary School, and the number of poplar trees planted is four times that of willow trees. How many poplars and willows are planted in the campus?
育林小学校园里一共栽了19棵柳树，栽的杨树的棵树是柳树的4倍．校园里杨树和柳树一共栽了多少棵？
<gadget id="calculator">19 * 4</gadget>
<output>76</output>

<gadget id="calculator">76 + 19</gadget>
<output>95</output>

<result>95</result>