A shopping mall sold 45 TVs yesterday, which is 3 more than 75% of the number of washing machines sold. How many washing machines were sold yesterday?
某商场昨天卖出电视机45台，比卖出的洗衣机的台数的75%多3台，昨天卖洗衣机多少台？
<gadget id="calculator">45 - 3</gadget>
<output>42</output>

<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">42 / (3/4)</gadget>
<output>56</output>

<result>56</result>