The handkerchief factory originally planned to produce 780 dozens of handkerchiefs in August. After adopting the new production line, 460 dozen of the handkerchiefs produced were shipped out, leaving 485 dozen. How much more than the original plan?
手帕厂原计划八月生产手帕780打，采用新的生产流水线后，生产的手帕运走了460打，还剩485打，比原计划增产多少打？
<gadget id="calculator">485 - 780</gadget>
<output>-295</output>

<gadget id="calculator">460 + (-295)</gadget>
<output>165</output>

<result>165</result>