Yang Liang will be 4 years old on May 20 this year, so how many days are there in the first half of the year he was born?
杨亮到今年5月20号刚好4周岁，那么他出生的那年上半年的天数是多少天．
<gadget id="calculator">31 * 3</gadget>
<output>93</output>

<gadget id="calculator">30 * 2</gadget>
<output>60</output>

<gadget id="calculator">93 + 60 + 28</gadget>
<output>181</output>

<result>181</result>