In a division formula with no remainder, the divisor is 4, and the dividend is 60 more than the quotient. What is the quotient?
有一道没有余数的除法算式中，除数是4，被除数比商多60，商是多少？
<gadget id="calculator">60 / 4</gadget>
<output>15</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">15 / (3/4)</gadget>
<output>20</output>

<result>20</result>