What is the quotient of 60 plus twice 70 and dividing the sum by 450?
60加上70的2倍，所得的和除以450，商是多少．
<gadget id="calculator">70 * 2</gadget>
<output>140</output>

<gadget id="calculator">60 + 140</gadget>
<output>200</output>

<gadget id="calculator">200 / 450</gadget>
<output>4/9 = around 0.444444</output>

<result>4/9 = around 0.444444</result>