The kindergarten bought 6 red balloons and bought 8 yellow balloons 1.5 times less than the red balloons. What is the number of yellow balloons bought?
幼儿园买来红气球6个，买的黄气球比红气球的1.5倍少8个，买来黄气球的数量是多少个．
<gadget id="calculator">6 * 1.5</gadget>
<output>9</output>

<gadget id="calculator">9 - 8</gadget>
<output>1</output>

<result>1</result>