If A=2*2*5, how many factors does A have?
如果A=2*2*5，则A有多少个因数．
<gadget id="calculator">1 + 1</gadget>
<output>2</output>

<gadget id="calculator">1 + 2</gadget>
<output>3</output>

<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<result>6</result>