The natural number a=2*3*7, how many factors does it have?
自然数a=2*3*7，它有多少个因数．
<gadget id="calculator">1 + 1</gadget>
<output>2</output>

<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>

<result>8</result>