Congcong wants to call his aunt's mobile phone, but he only remembers the number is 1380553*679, and he can't remember the number in the middle.
聪聪要拨打阿姨的手机，只记得号码是1380553*679，中间一个数字记不得了，小聪拨中的可能性是多少．
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>