For some pepper seedlings, if you plant 4 trees in each row, there are still 3 trees left; if you plant 5 trees in each row, there are 4 trees left; Can you count how many pepper seedlings there are?
有一些辣椒苗，如果每行栽4棵，还余3棵；如果每行栽5棵，还余4棵；如果每行栽6棵，还差1棵．你来算一算这些辣椒苗有多少棵？
<gadget id="calculator">2 * 2 * 5 * 3</gadget>
<output>60</output>

<gadget id="calculator">60 - 1</gadget>
<output>59</output>

<result>59</result>