In a school table tennis team, there are 6 male players and 7 female players. If male and female players mix doubles, what is the number of different mixed doubles games that can be formed?
某校乒乓球队中，有6名男队员和7名女队员，如果男女队员混合双打，能组成不同的混合双打的场数是多少．
<gadget id="calculator">6 * 5</gadget>
<output>30</output>

<gadget id="calculator">2 * 1</gadget>
<output>2</output>

<gadget id="calculator">30 / 2</gadget>
<output>15</output>

<gadget id="calculator">7 * 6</gadget>
<output>42</output>

<gadget id="calculator">42 / 2</gadget>
<output>21</output>

<gadget id="calculator">15 * 21 * 2</gadget>
<output>630</output>

<result>630</result>