There are 240 roses planted in the school, which is 16 fewer than twice as many lilacs. How many lilacs are there? (two methods)
学校栽有月季花240棵，比丁香花的2倍少16棵．丁香花有多少棵？(两种方法)
<gadget id="calculator">256 / 2</gadget>
<output>128</output>

<result>128</result>