How many divisors of 750 are there?
750的约数有多少个．
<gadget id="calculator">1 + 1</gadget>
<output>2</output>

<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">2 * 2 * 4</gadget>
<output>16</output>

<result>16</result>