The ratio of pear trees to peach trees in the orchard is 3:5. It is known that there are 80 peach trees. How many fruit trees are there in this orchard?
果园里梨树与桃树的棵树比是3：5，已知桃树有80棵，这个果园共有果树多少棵？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">80 * (3/5)</gadget>
<output>48</output>

<gadget id="calculator">48 + 80</gadget>
<output>128</output>

<result>128</result>