Suppose B is a natural number and A is a number, such as ((B)/444)=0.{_{3}**(•)}A{_{7}**(•)}, then B=how much.
设B是自然数，A是一个数字，如((B)/444)=0.{_{3}**(•)}A{_{7}**(•)}，那么B=多少．
<gadget id="calculator">387 / 9</gadget>
<output>43</output>

<gadget id="calculator">43 * 4</gadget>
<output>172</output>

<result>172</result>