There are 80 more peach trees than apricot trees in the orchard. The number of peach trees is 5/4 that of apricot trees. How many apricot trees are there? (solution by equation)
果园里桃树比杏树多80棵，桃树的棵数是杏树的(5/4)，杏树有多少棵？(用方程解)
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">(5/4) - 1</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">80 / (1/4)</gadget>
<output>320</output>

<result>320</result>