When x=4, y=5, z=6, what is x*yz equal to
当x=4，y=5，z=6时，贝x*y-z等于多少
<gadget id="calculator">4 * 5</gadget>
<output>20</output>

<gadget id="calculator">20 - 6</gadget>
<output>14</output>

<result>14</result>