If A: B=(2/7), A is 10, what is the sum of A and B
如果A：B=(2/7)，A是10，那么A、B的和是多少
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">2 + 7</gadget>
<output>9</output>

<gadget id="calculator">5 * 9</gadget>
<output>45</output>

<result>45</result>