There are 30 white sheep, and the number of black sheep is 5 times more than that of white sheep. How many black sheep are there?
白羊30只，黑羊的只数比白羊的3倍多5只．黑羊有几只？
<gadget id="calculator">30 * 3</gadget>
<output>90</output>

<gadget id="calculator">90 + 5</gadget>
<output>95</output>

<result>95</result>