The greatest common factor of 12 and 8 is their least common multiple.
12和8的最大公因数是它们最小公倍数的多少．
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">2 * 2 * 3 * 2</gadget>
<output>24</output>

<gadget id="calculator">4 / 24</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>