Dad is 46 years old this year, 6 years older than his son, four times older, how younger is his son than his father?
爸爸今年46岁，比儿子的4倍多6岁，儿子比爸爸小几岁？
<gadget id="calculator">46 - 6</gadget>
<output>40</output>

<gadget id="calculator">40 / 4</gadget>
<output>10</output>

<gadget id="calculator">46 - 10</gadget>
<output>36</output>

<result>36</result>