Combine 67-25=42 and 42/14=3 into a comprehensive formula. How many.
把67-25=42、42/14=3合并成综合算式．多少．
<gadget id="calculator">67 - 25</gadget>
<output>42</output>

<gadget id="calculator">42 / 14</gadget>
<output>3</output>

<result>3</result>