Mr. Wang brought 2,500 yuan to buy 6 ovens, each 389 yuan, how much money do you want to get back?
王老师带了2500元要买6台烤箱，每台389元，要找回多少元？
<gadget id="calculator">389 * 6</gadget>
<output>2_334</output>

<gadget id="calculator">2_500 - 2_334</gadget>
<output>166</output>

<result>166</result>