The number of poplars planted in my grandfather's house is 4 times that of willows. There are 48 more poplars than willows. How many poplars are there?
爷爷家种的杨树的棵数是柳树的4倍，杨树比柳树多48棵，杨树有多少棵？
<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">48 / 3</gadget>
<output>16</output>

<gadget id="calculator">16 * 4</gadget>
<output>64</output>

<result>64</result>