The antecedent of a ratio is 7. If the antecedent is increased by 14, to keep the ratio constant, what should be the latter term of the ratio?
一个比的前项就是7，如果前项增加14，要使比值不变，那么比的后项应该是多少
<gadget id="calculator">14 + 7</gadget>
<output>21</output>

<gadget id="calculator">21 / 7</gadget>
<output>3</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>