The factory shipped 1,610 tons of coal. It used to use 46 tons of coal per day, which took 18 days. Later, the stove was improved, and 34 tons of coal were used every day. How many days can the remaining coal be burned?
工厂运来煤1610吨煤，原来每天用煤46吨，用了18天．后来改进了炉灶，每天用煤34吨，剩下的煤可以烧多少天？
<gadget id="calculator">46 * 18</gadget>
<output>828</output>

<gadget id="calculator">1_610 - 828</gadget>
<output>782</output>

<gadget id="calculator">782 / 34</gadget>
<output>23</output>

<result>23</result>