There are two dice, and the numbers 1 to 6 are written on each of the six sides of the dice. What is the probability that both dice face up and are 1 after being thrown upwards?
有两只骰子，每只骰子的六个面上均依次写上1至6六个数．向上抛，落下后，两只骰子面向上都是1的可能性是多少
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/6) * (1/6)</gadget>
<output>1/36 = around 0.027778</output>

<result>1/36 = around 0.027778</result>