In the nursery of Uncle Zhang’s house, 56 rows of poplar saplings were cultivated, with the same number of trees in each row. Later, the same 12 rows were cultivated, with a total of 960 trees. How many poplar saplings were there in the nursery of Uncle Zhang’s house?
张叔叔家的苗圃里培育了56行杨树苗，每行棵数都相等，后来又培育了同样的12行，共960棵，张叔叔家苗圃里原来有杨树苗多少棵？
<gadget id="calculator">960 / 12</gadget>
<output>80</output>

<gadget id="calculator">80 * 56</gadget>
<output>4_480</output>

<result>4_480</result>