The ratio of 75:15 is 5. If the former item 75 and the latter item 15 are both enlarged by 10 times, what is the ratio?
75：15比值是5，如果前项75和后项15都扩大10倍，那么比值是多少．
<gadget id="calculator">75 / 15</gadget>
<output>5</output>

<result>5</result>