What is the quotient of the difference between 1520 and 150 divided by the difference between 60 and 40? How many
1520与150的差除以60减去40的差，商是多少？多少
<gadget id="calculator">1_520 - 150</gadget>
<output>1_370</output>

<gadget id="calculator">60 - 40</gadget>
<output>20</output>

<gadget id="calculator">1_370 / 20</gadget>
<output>137/2 = around 68.5</output>

<result>137/2 = around 68.5</result>