What is the quotient of subtracting the product of 25 and 8 from 850 and dividing by 13?
850减去25与8的积，再除以13，商是多少？
<gadget id="calculator">25 * 8</gadget>
<output>200</output>

<gadget id="calculator">850 - 200</gadget>
<output>650</output>

<gadget id="calculator">650 / 13</gadget>
<output>50</output>

<result>50</result>