How many formulas are the same as the quotient of 240/60
与240/60的商相同的算式有多少
<gadget id="calculator">240 / 10</gadget>
<output>24</output>

<gadget id="calculator">60 / 10</gadget>
<output>6</output>

<gadget id="calculator">24 / 6</gadget>
<output>4</output>

<result>4</result>