Xiaojun’s house wants to decorate the wooden strips around the windows with a length of 15 square meters and a width of 10 decimeters. Please help the carpenter to calculate how long the wooden strips are shared by these 4 windows?
小军家要在长15方米，宽10分米的窗户四周装饰木条，请你帮木工师傅算一算，这样的4个窗户共用多长的木条？
<gadget id="calculator">15 + 10</gadget>
<output>25</output>

<gadget id="calculator">25 * 2 * 4</gadget>
<output>200</output>

<result>200</result>