There are 10 basketballs numbered 1 to 10, and Xiaohong randomly takes one of them. What is the probability that the number of the basketball that Xiaohong gets is an integer multiple of 5?
有编号为1到10的10个篮球，小红从中任意拿走一个，那么小红拿到的篮球的编号为5的整数倍的可能性的大小为多少
<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>