Subtract the product of 80 and 40 from 3250, divide the difference by 1500, what is the quotient?
从3250里减去80与40的积，所得的差除1500，商是多少？
<gadget id="calculator">80 * 40</gadget>
<output>3_200</output>

<gadget id="calculator">3_250 - 3_200</gadget>
<output>50</output>

<gadget id="calculator">1_500 / 50</gadget>
<output>30</output>

<result>30</result>