Qiangqiang is 2 years old this year, and his father is 32 years old. When Qiangqiang's age is father's (3/5), how old is father?
今年强强2岁，爸爸32岁．当强强的年龄是爸爸的(3/5)时，爸爸多少岁？
<gadget id="calculator">32 - 2</gadget>
<output>30</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">30 / (2/5)</gadget>
<output>75</output>

<result>75</result>